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#0154 · Generation II

Meganium

Grass · Herb Pokémon — first seen in Generation II.

Showing the official games. Pick a ROM hack to see how it changes this Pokémon, or compare all of them.

Base stats

StatBaseMinMax
HP80
270364
Attack82
152289
Defense100
184328
Sp. Attack83
153291
Sp. Defense100
184328
Speed80
148284
Total525

Min and max are at level 100: the minimum is 0 IVs, 0 EVs and a hindering nature, the maximum 31 IVs, 252 EVs and a beneficial nature. Shedinja's HP is always 1 whatever the formula says.

Type defences

Damage Meganium takes from each attacking type.

×2
FlyingPoisonBugFireIce
×½
GroundWaterGrassElectric
×1
NormalFightingRockGhostSteelPsychicDragonDarkFairy

Evolution

Methods are the current official ones. A ROM hack may change them — trade evolutions especially; the guide table below says which do.

In the ROM hacks it evolves differently

Each guide's own line, in the words its creator published.

Other forms

Moves by official game

Level-up, TM/HM, tutor and egg moves exactly as each game has them. The newest game this site covers is open; the rest fold out.

Ultra Sun / Ultra Moon20 level-up · 30 TM/HM · 12 tutor

Level-up

LvMoveTypeCat.PowerAcc.PP
—Petal DanceGrassSpecial120100%10
1TackleNormalPhysical40100%35
1GrowlNormalStatus—100%40
1Razor LeafGrassPhysical5595%25
1Poison PowderPoisonStatus—75%35
1Petal DanceGrassSpecial120100%10
1Petal BlizzardGrassPhysical90100%15
6Razor LeafGrassPhysical5595%25
9Poison PowderPoisonStatus—75%35
12SynthesisGrassStatus——5
18ReflectPsychicStatus——20
22Magical LeafGrassSpecial60—20
26Natural GiftNormalPhysical—100%15
34Sweet ScentNormalStatus—100%20
40Light ScreenPsychicStatus——30
46Body SlamNormalPhysical85100%15
54SafeguardNormalStatus——25
60AromatherapyGrassStatus——5
66Solar BeamGrassSpecial120100%10
70Petal BlizzardGrassPhysical90100%15

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM01Work UpNormalStatus——30
TM06ToxicPoisonStatus—90%10
TM10Hidden PowerNormalSpecial60100%15
TM100ConfideNormalStatus——20
TM11Sunny DayFireStatus——5
TM15Hyper BeamNormalSpecial15090%5
TM16Light ScreenPsychicStatus——30
TM17ProtectNormalStatus——10
TM20SafeguardNormalStatus——25
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM48RoundNormalSpecial60100%15
TM49Echoed VoiceNormalSpecial40100%15
TM53Energy BallGrassSpecial90100%10
TM68Giga ImpactNormalPhysical15090%5
TM75Swords DanceNormalStatus——20
TM78BulldozeGroundPhysical60100%20
TM82Dragon TailDragonPhysical6090%10
TM86Grass KnotGrassSpecial—100%20
TM87SwaggerNormalStatus—85%15
TM88Sleep TalkNormalStatus——10
TM90SubstituteNormalStatus——10
TM96Nature PowerNormalStatus——20

Move tutor

MoveTypeCat.PowerAcc.PP
SnoreNormalSpecial50100%15
OutrageDragonPhysical120100%10
Giga DrainGrassSpecial75100%10
Iron TailSteelPhysical10075%15
SynthesisGrassStatus——5
Magic CoatPsychicStatus——15
Frenzy PlantGrassSpecial15090%5
Worry SeedGrassStatus—100%10
Seed BombGrassPhysical80100%15
Grass PledgeGrassSpecial80100%10
Laser FocusNormalStatus——30
Stomping TantrumGroundPhysical75100%10
Sun / Moon20 level-up · 30 TM/HM · 2 tutor

Level-up

LvMoveTypeCat.PowerAcc.PP
—Petal DanceGrassSpecial120100%10
1TackleNormalPhysical40100%35
1GrowlNormalStatus—100%40
1Razor LeafGrassPhysical5595%25
1Poison PowderPoisonStatus—75%35
1Petal DanceGrassSpecial120100%10
1Petal BlizzardGrassPhysical90100%15
6Razor LeafGrassPhysical5595%25
9Poison PowderPoisonStatus—75%35
12SynthesisGrassStatus——5
18ReflectPsychicStatus——20
22Magical LeafGrassSpecial60—20
26Natural GiftNormalPhysical—100%15
34Sweet ScentNormalStatus—100%20
40Light ScreenPsychicStatus——30
46Body SlamNormalPhysical85100%15
54SafeguardNormalStatus——25
60AromatherapyGrassStatus——5
66Solar BeamGrassSpecial120100%10
70Petal BlizzardGrassPhysical90100%15

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM01Work UpNormalStatus——30
TM06ToxicPoisonStatus—90%10
TM10Hidden PowerNormalSpecial60100%15
TM100ConfideNormalStatus——20
TM11Sunny DayFireStatus——5
TM15Hyper BeamNormalSpecial15090%5
TM16Light ScreenPsychicStatus——30
TM17ProtectNormalStatus——10
TM20SafeguardNormalStatus——25
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM48RoundNormalSpecial60100%15
TM49Echoed VoiceNormalSpecial40100%15
TM53Energy BallGrassSpecial90100%10
TM68Giga ImpactNormalPhysical15090%5
TM75Swords DanceNormalStatus——20
TM78BulldozeGroundPhysical60100%20
TM82Dragon TailDragonPhysical6090%10
TM86Grass KnotGrassSpecial—100%20
TM87SwaggerNormalStatus—85%15
TM88Sleep TalkNormalStatus——10
TM90SubstituteNormalStatus——10
TM96Nature PowerNormalStatus——20

Move tutor

MoveTypeCat.PowerAcc.PP
Frenzy PlantGrassSpecial15090%5
Grass PledgeGrassSpecial80100%10
Omega Ruby / Alpha Sapphire19 level-up · 34 TM/HM · 10 tutor

Level-up

LvMoveTypeCat.PowerAcc.PP
1TackleNormalPhysical40100%35
1GrowlNormalStatus—100%40
1Razor LeafGrassPhysical5595%25
1Poison PowderPoisonStatus—75%35
1Petal BlizzardGrassPhysical90100%15
6Razor LeafGrassPhysical5595%25
9Poison PowderPoisonStatus—75%35
12SynthesisGrassStatus——5
18ReflectPsychicStatus——20
22Magical LeafGrassSpecial60—20
26Natural GiftNormalPhysical—100%15
32Petal DanceGrassSpecial120100%10
34Sweet ScentNormalStatus—100%20
40Light ScreenPsychicStatus——30
46Body SlamNormalPhysical85100%15
54SafeguardNormalStatus——25
60AromatherapyGrassStatus——5
66Solar BeamGrassSpecial120100%10
70Petal BlizzardGrassPhysical90100%15

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM10Hidden PowerNormalSpecial60100%15
TM100ConfideNormalStatus——20
TM11Sunny DayFireStatus——5
TM15Hyper BeamNormalSpecial15090%5
TM16Light ScreenPsychicStatus——30
TM17ProtectNormalStatus——10
TM20SafeguardNormalStatus——25
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM48RoundNormalSpecial60100%15
TM49Echoed VoiceNormalSpecial40100%15
TM53Energy BallGrassSpecial90100%10
TM68Giga ImpactNormalPhysical15090%5
TM70FlashNormalStatus—100%20
TM75Swords DanceNormalStatus——20
TM78BulldozeGroundPhysical60100%20
TM82Dragon TailDragonPhysical6090%10
TM86Grass KnotGrassSpecial—100%20
TM87SwaggerNormalStatus—85%15
TM88Sleep TalkNormalStatus——10
TM90SubstituteNormalStatus——10
TM94Secret PowerNormalPhysical70100%20
TM96Nature PowerNormalStatus——20
HM01CutNormalPhysical5095%30
HM04StrengthNormalPhysical80100%15
HM06Rock SmashFightingPhysical40100%15

Move tutor

MoveTypeCat.PowerAcc.PP
SnoreNormalSpecial50100%15
OutrageDragonPhysical120100%10
Giga DrainGrassSpecial75100%10
Iron TailSteelPhysical10075%15
SynthesisGrassStatus——5
Magic CoatPsychicStatus——15
Frenzy PlantGrassSpecial15090%5
Worry SeedGrassStatus—100%10
Seed BombGrassPhysical80100%15
Grass PledgeGrassSpecial80100%10
X / Y19 level-up · 33 TM/HM · 2 tutor

Level-up

LvMoveTypeCat.PowerAcc.PP
1TackleNormalPhysical40100%35
1GrowlNormalStatus—100%40
1Razor LeafGrassPhysical5595%25
1Poison PowderPoisonStatus—75%35
1Petal BlizzardGrassPhysical90100%15
6Razor LeafGrassPhysical5595%25
9Poison PowderPoisonStatus—75%35
12SynthesisGrassStatus——5
18ReflectPsychicStatus——20
22Magical LeafGrassSpecial60—20
26Natural GiftNormalPhysical—100%15
32Petal DanceGrassSpecial120100%10
34Sweet ScentNormalStatus—100%20
40Light ScreenPsychicStatus——30
46Body SlamNormalPhysical85100%15
54SafeguardNormalStatus——25
60AromatherapyGrassStatus——5
66Solar BeamGrassSpecial120100%10
70Petal BlizzardGrassPhysical90100%15

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM10Hidden PowerNormalSpecial60100%15
TM100ConfideNormalStatus——20
TM11Sunny DayFireStatus——5
TM15Hyper BeamNormalSpecial15090%5
TM16Light ScreenPsychicStatus——30
TM17ProtectNormalStatus——10
TM20SafeguardNormalStatus——25
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM48RoundNormalSpecial60100%15
TM49Echoed VoiceNormalSpecial40100%15
TM53Energy BallGrassSpecial90100%10
TM68Giga ImpactNormalPhysical15090%5
TM70FlashNormalStatus—100%20
TM75Swords DanceNormalStatus——20
TM78BulldozeGroundPhysical60100%20
TM82Dragon TailDragonPhysical6090%10
TM86Grass KnotGrassSpecial—100%20
TM87SwaggerNormalStatus—85%15
TM88Sleep TalkNormalStatus——10
TM90SubstituteNormalStatus——10
TM94Rock SmashFightingPhysical40100%15
TM96Nature PowerNormalStatus——20
HM01CutNormalPhysical5095%30
HM04StrengthNormalPhysical80100%15

Move tutor

MoveTypeCat.PowerAcc.PP
Frenzy PlantGrassSpecial15090%5
Grass PledgeGrassSpecial80100%10
Black 2 / White 217 level-up · 30 TM/HM · 11 tutor

Level-up

LvMoveTypeCat.PowerAcc.PP
1TackleNormalPhysical40100%35
1GrowlNormalStatus—100%40
1Razor LeafGrassPhysical5595%25
1Poison PowderPoisonStatus—75%35
6Razor LeafGrassPhysical5595%25
9Poison PowderPoisonStatus—75%35
12SynthesisGrassStatus——5
18ReflectPsychicStatus——20
22Magical LeafGrassSpecial60—20
26Natural GiftNormalPhysical—100%15
32Petal DanceGrassSpecial120100%10
34Sweet ScentNormalStatus—100%20
40Light ScreenPsychicStatus——30
46Body SlamNormalPhysical85100%15
54SafeguardNormalStatus——25
60AromatherapyGrassStatus——5
66Solar BeamGrassSpecial120100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM15Hyper BeamNormalSpecial15090%5
TM16Light ScreenPsychicStatus——30
TM17ProtectNormalStatus——10
TM20SafeguardNormalStatus——25
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM48RoundNormalSpecial60100%15
TM49Echoed VoiceNormalSpecial40100%15
TM53Energy BallGrassSpecial90100%10
TM68Giga ImpactNormalPhysical15090%5
TM70FlashNormalStatus—100%20
TM75Swords DanceNormalStatus——20
TM78BulldozeGroundPhysical60100%20
TM82Dragon TailDragonPhysical6090%10
TM86Grass KnotGrassSpecial—100%20
TM87SwaggerNormalStatus—85%15
TM90SubstituteNormalStatus——10
TM94Rock SmashFightingPhysical40100%15
HM01CutNormalPhysical5095%30
HM04StrengthNormalPhysical80100%15

Move tutor

MoveTypeCat.PowerAcc.PP
SnoreNormalSpecial50100%15
OutrageDragonPhysical120100%10
Giga DrainGrassSpecial75100%10
Sleep TalkNormalStatus——10
Iron TailSteelPhysical10075%15
SynthesisGrassStatus——5
Magic CoatPsychicStatus——15
Frenzy PlantGrassSpecial15090%5
Worry SeedGrassStatus—100%10
Seed BombGrassPhysical80100%15
Grass PledgeGrassSpecial80100%10
Black / White17 level-up · 30 TM/HM · 2 tutor

Level-up

LvMoveTypeCat.PowerAcc.PP
1TackleNormalPhysical40100%35
1GrowlNormalStatus—100%40
1Razor LeafGrassPhysical5595%25
1Poison PowderPoisonStatus—75%35
6Razor LeafGrassPhysical5595%25
9Poison PowderPoisonStatus—75%35
12SynthesisGrassStatus——5
18ReflectPsychicStatus——20
22Magical LeafGrassSpecial60—20
26Natural GiftNormalPhysical—100%15
32Petal DanceGrassSpecial120100%10
34Sweet ScentNormalStatus—100%20
40Light ScreenPsychicStatus——30
46Body SlamNormalPhysical85100%15
54SafeguardNormalStatus——25
60AromatherapyGrassStatus——5
66Solar BeamGrassSpecial120100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM15Hyper BeamNormalSpecial15090%5
TM16Light ScreenPsychicStatus——30
TM17ProtectNormalStatus——10
TM20SafeguardNormalStatus——25
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM48RoundNormalSpecial60100%15
TM49Echoed VoiceNormalSpecial40100%15
TM53Energy BallGrassSpecial90100%10
TM68Giga ImpactNormalPhysical15090%5
TM70FlashNormalStatus—100%20
TM75Swords DanceNormalStatus——20
TM78BulldozeGroundPhysical60100%20
TM82Dragon TailDragonPhysical6090%10
TM86Grass KnotGrassSpecial—100%20
TM87SwaggerNormalStatus—85%15
TM90SubstituteNormalStatus——10
TM94Rock SmashFightingPhysical40100%15
HM01CutNormalPhysical5095%30
HM04StrengthNormalPhysical80100%15

Move tutor

MoveTypeCat.PowerAcc.PP
Frenzy PlantGrassSpecial15090%5
Grass PledgeGrassSpecial80100%10
HeartGold / SoulSilver17 level-up · 35 TM/HM · 11 tutor

Level-up

LvMoveTypeCat.PowerAcc.PP
1TackleNormalPhysical40100%35
1GrowlNormalStatus—100%40
1Razor LeafGrassPhysical5595%25
1Poison PowderPoisonStatus—75%35
6Razor LeafGrassPhysical5595%25
9Poison PowderPoisonStatus—75%35
12SynthesisGrassStatus——5
18ReflectPsychicStatus——20
22Magical LeafGrassSpecial60—20
26Natural GiftNormalPhysical—100%15
32Petal DanceGrassSpecial120100%10
34Sweet ScentNormalStatus—100%20
40Light ScreenPsychicStatus——30
46Body SlamNormalPhysical85100%15
54SafeguardNormalStatus——25
60AromatherapyGrassStatus——5
66Solar BeamGrassSpecial120100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM09Bullet SeedGrassPhysical25100%30
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM15Hyper BeamNormalSpecial15090%5
TM16Light ScreenPsychicStatus——30
TM17ProtectNormalStatus——10
TM19Giga DrainGrassSpecial75100%10
TM20SafeguardNormalStatus——25
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM23Iron TailSteelPhysical10075%15
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM53Energy BallGrassSpecial90100%10
TM58EndureNormalStatus——10
TM68Giga ImpactNormalPhysical15090%5
TM70FlashNormalStatus—100%20
TM75Swords DanceNormalStatus——20
TM78CaptivateNormalStatus—100%20
TM82Sleep TalkNormalStatus——10
TM83Natural GiftNormalPhysical—100%15
TM86Grass KnotGrassSpecial—100%20
TM87SwaggerNormalStatus—85%15
TM90SubstituteNormalStatus——10
HM01CutNormalPhysical5095%30
HM04StrengthNormalPhysical80100%15
HM06Rock SmashFightingPhysical40100%15
HM08Rock ClimbNormalPhysical9085%20

Move tutor

MoveTypeCat.PowerAcc.PP
HeadbuttNormalPhysical70100%15
SnoreNormalSpecial50100%15
Mud-SlapGroundSpecial20100%10
OutrageDragonPhysical120100%10
Fury CutterBugPhysical4095%20
SynthesisGrassStatus——5
Ancient PowerRockSpecial60100%5
Magic CoatPsychicStatus——15
Frenzy PlantGrassSpecial15090%5
Worry SeedGrassStatus—100%10
Seed BombGrassPhysical80100%15
Platinum17 level-up · 35 TM/HM · 8 tutor

Level-up

LvMoveTypeCat.PowerAcc.PP
1TackleNormalPhysical40100%35
1GrowlNormalStatus—100%40
1Razor LeafGrassPhysical5595%25
1Poison PowderPoisonStatus—75%35
6Razor LeafGrassPhysical5595%25
9Poison PowderPoisonStatus—75%35
12SynthesisGrassStatus——5
18ReflectPsychicStatus——20
22Magical LeafGrassSpecial60—20
26Natural GiftNormalPhysical—100%15
32Petal DanceGrassSpecial120100%10
34Sweet ScentNormalStatus—100%20
40Light ScreenPsychicStatus——30
46Body SlamNormalPhysical85100%15
54SafeguardNormalStatus——25
60AromatherapyGrassStatus——5
66Solar BeamGrassSpecial120100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM09Bullet SeedGrassPhysical25100%30
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM15Hyper BeamNormalSpecial15090%5
TM16Light ScreenPsychicStatus——30
TM17ProtectNormalStatus——10
TM19Giga DrainGrassSpecial75100%10
TM20SafeguardNormalStatus——25
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM23Iron TailSteelPhysical10075%15
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM53Energy BallGrassSpecial90100%10
TM58EndureNormalStatus——10
TM68Giga ImpactNormalPhysical15090%5
TM70FlashNormalStatus—100%20
TM75Swords DanceNormalStatus——20
TM78CaptivateNormalStatus—100%20
TM82Sleep TalkNormalStatus——10
TM83Natural GiftNormalPhysical—100%15
TM86Grass KnotGrassSpecial—100%20
TM87SwaggerNormalStatus—85%15
TM90SubstituteNormalStatus——10
HM01CutNormalPhysical5095%30
HM04StrengthNormalPhysical80100%15
HM06Rock SmashFightingPhysical40100%15
HM08Rock ClimbNormalPhysical9085%20

Move tutor

MoveTypeCat.PowerAcc.PP
SnoreNormalSpecial50100%15
Mud-SlapGroundSpecial20100%10
OutrageDragonPhysical120100%10
Fury CutterBugPhysical4095%20
SynthesisGrassStatus——5
Ancient PowerRockSpecial60100%5
Frenzy PlantGrassSpecial15090%5
Seed BombGrassPhysical80100%15
Diamond / Pearl17 level-up · 35 TM/HM · 1 tutor

Level-up

LvMoveTypeCat.PowerAcc.PP
1TackleNormalPhysical40100%35
1GrowlNormalStatus—100%40
1Razor LeafGrassPhysical5595%25
1Poison PowderPoisonStatus—75%35
6Razor LeafGrassPhysical5595%25
9Poison PowderPoisonStatus—75%35
12SynthesisGrassStatus——5
18ReflectPsychicStatus——20
22Magical LeafGrassSpecial60—20
26Natural GiftNormalPhysical—100%15
32Petal DanceGrassSpecial120100%10
34Sweet ScentNormalStatus—100%20
40Light ScreenPsychicStatus——30
46Body SlamNormalPhysical85100%15
54SafeguardNormalStatus——25
60AromatherapyGrassStatus——5
66Solar BeamGrassSpecial120100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM09Bullet SeedGrassPhysical25100%30
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM15Hyper BeamNormalSpecial15090%5
TM16Light ScreenPsychicStatus——30
TM17ProtectNormalStatus——10
TM19Giga DrainGrassSpecial75100%10
TM20SafeguardNormalStatus——25
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM23Iron TailSteelPhysical10075%15
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM53Energy BallGrassSpecial90100%10
TM58EndureNormalStatus——10
TM68Giga ImpactNormalPhysical15090%5
TM70FlashNormalStatus—100%20
TM75Swords DanceNormalStatus——20
TM78CaptivateNormalStatus—100%20
TM82Sleep TalkNormalStatus——10
TM83Natural GiftNormalPhysical—100%15
TM86Grass KnotGrassSpecial—100%20
TM87SwaggerNormalStatus—85%15
TM90SubstituteNormalStatus——10
HM01CutNormalPhysical5095%30
HM04StrengthNormalPhysical80100%15
HM06Rock SmashFightingPhysical40100%15
HM08Rock ClimbNormalPhysical9085%20

Move tutor

MoveTypeCat.PowerAcc.PP
Frenzy PlantGrassSpecial15090%5
FireRed / LeafGreen12 level-up · 24 TM/HM · 6 tutor

Level-up

LvMoveTypeCat.PowerAcc.PP
1TackleNormalPhysical40100%35
1GrowlNormalStatus—100%40
1Razor LeafGrassPhysical5595%25
1ReflectPsychicStatus——20
8Razor LeafGrassPhysical5595%25
12ReflectPsychicStatus——20
15Poison PowderPoisonStatus—75%35
23SynthesisGrassStatus——5
31Body SlamNormalPhysical85100%15
41Light ScreenPsychicStatus——30
51SafeguardNormalStatus——25
61Solar BeamGrassSpecial120100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM09Bullet SeedGrassPhysical25100%30
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM15Hyper BeamNormalSpecial15090%5
TM16Light ScreenPsychicStatus——30
TM17ProtectNormalStatus——10
TM19Giga DrainGrassSpecial75100%10
TM20SafeguardNormalStatus——25
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM23Iron TailSteelPhysical10075%15
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
HM01CutNormalPhysical5095%30
HM04StrengthNormalPhysical80100%15
HM05FlashNormalStatus—100%20
HM06Rock SmashFightingPhysical40100%15

Move tutor

MoveTypeCat.PowerAcc.PP
Swords DanceNormalStatus——20
Body SlamNormalPhysical85100%15
Double-EdgeNormalPhysical120100%15
CounterFightingPhysical—100%20
MimicNormalStatus——10
SubstituteNormalStatus——10
Emerald12 level-up · 24 TM/HM · 12 tutor

Level-up

LvMoveTypeCat.PowerAcc.PP
1TackleNormalPhysical40100%35
1GrowlNormalStatus—100%40
1Razor LeafGrassPhysical5595%25
1ReflectPsychicStatus——20
8Razor LeafGrassPhysical5595%25
12ReflectPsychicStatus——20
15Poison PowderPoisonStatus—75%35
23SynthesisGrassStatus——5
31Body SlamNormalPhysical85100%15
41Light ScreenPsychicStatus——30
51SafeguardNormalStatus——25
61Solar BeamGrassSpecial120100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM09Bullet SeedGrassPhysical25100%30
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM15Hyper BeamNormalSpecial15090%5
TM16Light ScreenPsychicStatus——30
TM17ProtectNormalStatus——10
TM19Giga DrainGrassSpecial75100%10
TM20SafeguardNormalStatus——25
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM23Iron TailSteelPhysical10075%15
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
HM01CutNormalPhysical5095%30
HM04StrengthNormalPhysical80100%15
HM05FlashNormalStatus—100%20
HM06Rock SmashFightingPhysical40100%15

Move tutor

MoveTypeCat.PowerAcc.PP
Swords DanceNormalStatus——20
Body SlamNormalPhysical85100%15
Double-EdgeNormalPhysical120100%15
CounterFightingPhysical—100%20
MimicNormalStatus——10
SubstituteNormalStatus——10
SnoreNormalSpecial50100%15
Mud-SlapGroundSpecial20100%10
EndureNormalStatus——10
SwaggerNormalStatus—85%15
Fury CutterBugPhysical4095%20
Sleep TalkNormalStatus——10
Ruby / Sapphire12 level-up · 24 TM/HM

Level-up

LvMoveTypeCat.PowerAcc.PP
1TackleNormalPhysical40100%35
1GrowlNormalStatus—100%40
1Razor LeafGrassPhysical5595%25
1ReflectPsychicStatus——20
8Razor LeafGrassPhysical5595%25
12ReflectPsychicStatus——20
15Poison PowderPoisonStatus—75%35
23SynthesisGrassStatus——5
31Body SlamNormalPhysical85100%15
41Light ScreenPsychicStatus——30
51SafeguardNormalStatus——25
61Solar BeamGrassSpecial120100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM09Bullet SeedGrassPhysical25100%30
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM15Hyper BeamNormalSpecial15090%5
TM16Light ScreenPsychicStatus——30
TM17ProtectNormalStatus——10
TM19Giga DrainGrassSpecial75100%10
TM20SafeguardNormalStatus——25
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM23Iron TailSteelPhysical10075%15
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
HM01CutNormalPhysical5095%30
HM04StrengthNormalPhysical80100%15
HM05FlashNormalStatus—100%20
HM06Rock SmashFightingPhysical40100%15
Crystal12 level-up · 28 TM/HM

Level-up

LvMoveTypeCat.PowerAcc.PP
1TackleNormalPhysical40100%35
1GrowlNormalStatus—100%40
1Razor LeafGrassPhysical5595%25
1ReflectPsychicStatus——20
8Razor LeafGrassPhysical5595%25
12ReflectPsychicStatus——20
15Poison PowderPoisonStatus—75%35
23SynthesisGrassStatus——5
31Body SlamNormalPhysical85100%15
41Light ScreenPsychicStatus——30
51SafeguardNormalStatus——25
61Solar BeamGrassSpecial120100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM02HeadbuttNormalPhysical70100%15
TM03CurseGhostStatus——10
TM06ToxicPoisonStatus—90%10
TM08Rock SmashFightingPhysical40100%15
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM12Sweet ScentNormalStatus—100%20
TM13SnoreNormalSpecial50100%15
TM15Hyper BeamNormalSpecial15090%5
TM17ProtectNormalStatus——10
TM19Giga DrainGrassSpecial75100%10
TM20EndureNormalStatus——10
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM23Iron TailSteelPhysical10075%15
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM31Mud-SlapGroundSpecial20100%10
TM32Double TeamNormalStatus——15
TM34SwaggerNormalStatus—85%15
TM35Sleep TalkNormalStatus——10
TM43DetectFightingStatus——5
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM49Fury CutterBugPhysical4095%20
HM01CutNormalPhysical5095%30
HM04StrengthNormalPhysical80100%15
HM05FlashNormalStatus—100%20
Gold / Silver12 level-up · 28 TM/HM

Level-up

LvMoveTypeCat.PowerAcc.PP
1TackleNormalPhysical40100%35
1GrowlNormalStatus—100%40
1Razor LeafGrassPhysical5595%25
1ReflectPsychicStatus——20
8Razor LeafGrassPhysical5595%25
12ReflectPsychicStatus——20
15Poison PowderPoisonStatus—75%35
23SynthesisGrassStatus——5
31Body SlamNormalPhysical85100%15
41Light ScreenPsychicStatus——30
51SafeguardNormalStatus——25
61Solar BeamGrassSpecial120100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM02HeadbuttNormalPhysical70100%15
TM03CurseGhostStatus——10
TM06ToxicPoisonStatus—90%10
TM08Rock SmashFightingPhysical40100%15
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM12Sweet ScentNormalStatus—100%20
TM13SnoreNormalSpecial50100%15
TM15Hyper BeamNormalSpecial15090%5
TM17ProtectNormalStatus——10
TM19Giga DrainGrassSpecial75100%10
TM20EndureNormalStatus——10
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM23Iron TailSteelPhysical10075%15
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM31Mud-SlapGroundSpecial20100%10
TM32Double TeamNormalStatus——15
TM34SwaggerNormalStatus—85%15
TM35Sleep TalkNormalStatus——10
TM43DetectFightingStatus——5
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM49Fury CutterBugPhysical4095%20
HM01CutNormalPhysical5095%30
HM04StrengthNormalPhysical80100%15
HM05FlashNormalStatus—100%20

Where to find it in the official games

Not obtainable in the wild in any of the 16 official games this site covers. In those games it has to be evolved, traded or bred — or it belongs to a game whose data is not here yet.

Where to find it in the ROM hacks

13 guides on this site put it somewhere you can catch it. Areas link to that guide's own route page, with its own rates and levels.

GuideWhere
Sword and Shield Ultimate Plus
Isle Of Armor 2Raid Den · Lv — · 2
Isle Of Armor 4Raid Den · Lv — · 2
Isle Of Armor 5Raid Den · Lv — · 2
and 2 more areas
Pokémon Phoenix Red
Route 15Grass · Lv 36 · 4%rare
Cerulean Cave B1FGrass · Lv 58-62 · 10%
Recordkeepers
Minibosses — Sun onlyMiniboss (three per area, drawn from the pool) · Lv 90–99, scales
Radical Red
Pokemon Mansion 4FGrass (Day) · Lv 75-77 · 20%
Pokémon Emerald Kaizo
Safari Zone NortheastGrass · Lv 100 · 5%rare
Safari Zone SoutheastGrass · Lv 100 · 20%
Pokémon Aesthetic Red
Cinnabar IslandTrade · Lv ?
Pokémon Crippling Medical Debt Edition
Pacifitree TunnelGrass · Lv 50-57 · 4%rare
Pacifitree Tunnel Backroom 2FGrass · Lv 50-57 · 10%
Blinding White Plus
Route 18Dark Grass · Lv 50-52 · 10%
Pokémon Platinum Kaizo
Floroma MeadowGrass · Lv 60 · 10%
Route 224Grass · Lv 65 · 20%
Pokémon Omega Ruby Origins
Route 113Grass · Lv 25
Pokémon FireRed Deluxe
Memorial PillarGrass · Lv 60 · 4%
Pokémon Platinum Redux
Trophy GardenGrass · Lv ? · 11%
Verity CavernMesprit's cave · Lv ?
Pokémon Mirror Gold
Route 22Grass (Morning / Day) · Lv 75 · 1%rare
Unboundnot in the wild in this guide's tables — evolve, trade or battle it
Emerald Roguenot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Too Many Types 2not in the wild in this guide's tables — evolve, trade or battle it
Pokémon Soulgoldnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Heart & Soulnot in the wild in this guide's tables — evolve, trade or battle it
Infinite Fusionnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon R.O.W.Enot in the wild in this guide's tables — evolve, trade or battle it
Lazarusnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Odysseynot in the wild in this guide's tables — evolve, trade or battle it
Blaze Black 2 Redux & Volt White 2 Reduxnot in the wild in this guide's tables — evolve, trade or battle it
Elite Reduxnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon GS Chroniclesnot in the wild in this guide's tables — evolve, trade or battle it
Inclement Emeraldnot in the wild in this guide's tables — evolve, trade or battle it
Renegade Platinumnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Odyssey II: Heroes of Lemurianot in the wild in this guide's tables — evolve, trade or battle it
Pokémon FireRed & LeafGreen+not in the wild in this guide's tables — evolve, trade or battle it
Pokemon Modern Emeraldnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Crystal Inheritancenot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Emerald Exnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Valiantnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Hearthnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Too Many Types 1not in the wild in this guide's tables — evolve, trade or battle it
Pokémon Emerald Imperiumnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon: Wishes of Tomorrownot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Exceedednot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Hoenn's Last Wishnot in the wild in this guide's tables — evolve, trade or battle it
Low Budget Crystalnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Emerald Squarednot in the wild in this guide's tables — evolve, trade or battle it
Pokémon FireRed Reignited & LeafGreen Regrownnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Polished Crystalnot in the wild in this guide's tables — evolve, trade or battle it
Sacred Gold & Storm Silvernot in the wild in this guide's tables — evolve, trade or battle it
Blaze Black 2 & Volt White 2not in the wild in this guide's tables — evolve, trade or battle it
Pokémon SoothingSilvernot in the wild in this guide's tables — evolve, trade or battle it
Rising Ruby & Sinking Sapphirenot in the wild in this guide's tables — evolve, trade or battle it
Blaze Black & Volt Whitenot in the wild in this guide's tables — evolve, trade or battle it
Fire Red Omeganot in the wild in this guide's tables — evolve, trade or battle it
Pokémon FireRed: Rocket Editionnot in the wild in this guide's tables — evolve, trade or battle it
Pokemon Prismnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Peridot Versionnot in the wild in this guide's tables — evolve, trade or battle it
HeartGold Generationsnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Parallel Emeraldnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Sour Crystalnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Black Pearl Emeraldnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Project Novanot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Overcomplicatednot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Emerald Rule-ettenot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Timeless Diamond & Spaceless Pearlnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Crystal Legacynot in the wild in this guide's tables — evolve, trade or battle it

Compare official Meganium with the ROM hacks →

In the 60 guides that include it

Changed in 43 of 60 guides: retyped in 17, stats in 19, abilities in 37, evolution in 5.

Every ROM hack on this site that has Meganium, and what it did to it. Guides that changed something are first. Click one for that version's full page — locations, moveset and TMs.

GuideTypeTotalAbilities
UnboundChangedGrass525Overgrow, Grassy Surge
+ Grassy Surge − Leaf Guard
Pokémon Too Many Types 2ChangedGrass→GrassBeanFairy525—
Pokémon R.O.W.EChangedGrass525Overgrow, Triage
+ Triage
Lazarus
Evolves at Lv. 32
ChangedGrass→GrassFairy545 +20
+20 HP
Overgrow, Thick Layers, Triage
+ Thick Layers, Triage − Leaf Guard
Blaze Black 2 Redux & Volt White 2 ReduxChangedGrass→GrassFairy535 +10
+10 Sp. Atk
Serene Grace, Overgrow, Leaf Guard
+ Serene Grace
Pokémon Phoenix RedChangedGrass→GrassFairy540 +15
+30 HP, -27 Attack, -15 Defense, +27 Sp. Atk, +5 Sp. Def, -5 Speed
Effect Spore, Natural Cure
+ Effect Spore, Natural Cure − Overgrow, Leaf Guard
RecordkeepersChangedGrass525Overgrow
− Leaf Guard
Radical RedChangedGrass→GrassFairy525Overgrow, Triage
+ Triage − Leaf Guard
Elite Redux
Mega Evolves into Mega Meganium holding the Meganiumite
ChangedGrass→GrassFairy535 +10
+10 Sp. Atk
Regenerator, Triage, Grassy Surge
Pokémon GS ChroniclesChangedGrass535 +10
-17 Attack, -26 Defense, +42 Sp. Atk, +14 Sp. Def, -3 Speed
Overgrow, Leaf Guard
Pokémon Emerald KaizoChangedGrass525Thick Fat, Overgrow
+ Thick Fat − Leaf Guard
Renegade PlatinumChangedGrass→GrassFairy535 +10
+10 Sp. Atk
Serene Grace, Overgrow
+ Serene Grace − Leaf Guard
Pokémon Odyssey II: Heroes of LemuriaChangedGrass→GrassDragon535 +10
+10 HP, -17 Attack, +5 Defense, +7 Sp. Atk, +5 Sp. Def
Corrosion, Poison Heal
+ Corrosion, Poison Heal − Overgrow, Leaf Guard
Pokémon FireRed & LeafGreen+ChangedGrass525Overgrow
− Leaf Guard
Pokémon Aesthetic RedChangedGrass→GrassFairy525Leaf Guard, Triage
+ Triage − Overgrow
Pokemon Modern EmeraldChangedGrass525Overgrow
Pokémon Crystal InheritanceChangedGrass525Overgrow, Natural Cure, Leaf Guard
+ Natural Cure
Pokémon Crippling Medical Debt EditionChanged0 -525
-80 HP, -82 Attack, -100 Defense, -83 Sp. Atk, -100 Sp. Def, -80 Speed
—
Blinding White PlusChangedGrass→GrassFairy530 +5
+10 HP, -42 Attack, -20 Defense, +27 Sp. Atk, +30 Sp. Def
Natural Cure, Flower Gift
+ Natural Cure, Flower Gift − Overgrow, Leaf Guard
Pokémon Too Many Types 1ChangedGrass→GrassBeanFairy525—
Pokémon Emerald ImperiumChangedGrass→GrassFairy525Overgrow, Triage
+ Triage − Leaf Guard
Pokémon Platinum KaizoChangedGrass540 +15
+11 HP, +7 Attack, -10 Defense, +17 Sp. Atk, -10 Sp. Def
Thick Fat
+ Thick Fat − Overgrow, Leaf Guard
Pokémon Exceeded
Mega Evolves into Meganium (Mega) holding the Meganiumite
ChangedGrass525Leaf Guard, Chlorophyll
Low Budget Crystal
Evolves into Meganium (Variant) with a Water Stone
ChangedGrass525Stability
+ Stability − Overgrow, Leaf Guard
Pokémon Emerald SquaredChangedGrass525
+20 HP, -20 Attack
Overgrow, Flower Veil, Friend Guard
+ Flower Veil, Friend Guard − Leaf Guard
Pokémon FireRed Reignited & LeafGreen RegrownChangedGrass535 +10
+10 HP
Overgrow
− Leaf Guard
Pokémon Polished CrystalChangedGrass→GrassFairy525Overgrow, Natural Cure, Leaf Guard
+ Natural Cure
Sacred Gold & Storm SilverChangedGrass525Overgrow, Natural Cure
+ Natural Cure − Leaf Guard
Blaze Black 2 & Volt White 2ChangedGrass525Overgrow, Leaf Guard, Natural Cure
+ Natural Cure
Pokémon SoothingSilverChangedGrass540 +15
+15 Sp. Def
Overgrow, Natural Cure
+ Natural Cure − Leaf Guard
Rising Ruby & Sinking SapphireChangedGrass525Overgrow, Natural Cure **, Leaf Guard
+ Natural Cure **
Blaze Black & Volt WhiteChangedGrass525Overgrow, Natural Cure, Leaf Guard
+ Natural Cure
Fire Red OmegaChangedGrass525Overgrow
− Leaf Guard
Pokémon FireRed: Rocket EditionChangedGrass525
-3 Sp. Atk, -17 Sp. Def, +20 Speed
Overgrow
− Leaf Guard
Pokemon PrismChangedGrass525Overgrow
− Leaf Guard
Pokémon Omega Ruby Origins
Evolves into Meganium (Mega) with the Evo. Gem
ChangedGrass525Overgrow
− Leaf Guard
HeartGold GenerationsChangedGrass→GrassFairy525Overgrow, Triage, Leaf Guard
+ Triage
Pokémon FireRed DeluxeChangedGrass→GrassPsychic532 +7
+7 Sp. Atk
Overgrow
− Leaf Guard
Pokémon Platinum ReduxChangedGrass→GrassDragon547 +22
+45 HP, -7 Attack, +17 Sp. Atk, -15 Sp. Def, -18 Speed
Thick Fat, Effect Spore
+ Thick Fat, Effect Spore − Overgrow, Leaf Guard
Pokémon Parallel EmeraldChangedGrass525
-20 Attack, +20 Sp. Atk
Overgrow, Ripen
+ Ripen − Leaf Guard
Pokémon Project NovaChangedGrass→GrassFairy525
+17 HP, -18 Attack, +3 Defense, +7 Sp. Atk, +3 Sp. Def, -12 Speed
Overgrow, Thick Fat
+ Thick Fat − Leaf Guard
Pokémon Mirror GoldChangedGrass530 +5
+10 HP, -7 Attack, -20 Defense, +12 Sp. Atk, +10 Sp. Def
Triage, Friend Guard
+ Triage, Friend Guard − Overgrow, Leaf Guard
Pokémon Timeless Diamond & Spaceless PearlChangedGrass525Overgrow
− Leaf Guard
Emerald RogueUnchangedGrass525Overgrow, Leaf Guard
Pokémon SoulgoldUnchangedGrass525Overgrow, Leaf Guard
Pokémon Heart & SoulUnchangedGrass525Overgrow, Leaf Guard
Infinite FusionUnchangedGrass525Overgrow, Leaf Guard
Sword and Shield Ultimate PlusUnchangedGrass525Overgrow, Leaf Guard
Inclement EmeraldUnchangedGrass525Overgrow, Leaf Guard
Pokémon Emerald ExUnchangedGrass525—
Pokémon ValiantUnchangedGrass525Overgrow, Leaf Guard
Pokémon HearthUnchangedGrass525Overgrow, Leaf Guard
Pokémon: Wishes of TomorrowUnchangedGrass525Overgrow, Leaf Guard
Pokémon Hoenn's Last WishUnchangedGrass525Overgrow, Leaf Guard
Pokémon Peridot VersionUnchangedGrass525—
Pokémon Sour CrystalUnchangedGrass525—
Pokémon Black Pearl EmeraldUnchangedGrass525Overgrow, Leaf Guard
Pokémon OvercomplicatedUnchangedGrass525Chlorophyll, Pressure, Contrary
Pokémon Emerald Rule-etteUnchangedGrass525Overgrow, Leaf Guard
Pokémon Crystal LegacyUnchangedGrass525—

Pokédex entries

What each game says about it, in the games' own words.

Gold / LeafGreen / HeartGold / XThe aroma that rises from its petals contains a substance that calms aggressive feelings.
SilverMEGANIUM's breath has the power to revive dead grass and plants. It can make them healthy again.
CrystalAnyone who stands beside it becomes refreshed, just as if they were relaxing in a sunny forest.
Ruby / SapphireThe fragrance of MEGANIUM’s flower soothes and calms emotions. In battle, this POKéMON gives off more of its becalming scent to blunt the foe’s fighting spirit.
EmeraldThe fragrance of a MEGANIUM’s flower soothes and calms emotions. In battle, it gives off more of its becalming scent to blunt the foe’s fighting spirit.
FireRed / SoulSilverMEGANIUM’s breath has the power to revive dead grass and plants. It can make them healthy again.
Diamond / Pearl / Platinum / Black / White / Black 2 / White 2Its breath has the fantastic ability to revive dead plants and flowers.
YMeganium’s breath has the power to revive dead grass and plants. It can make them healthy again.
Omega Ruby / Alpha SapphireThe fragrance of Meganium’s flower soothes and calms emotions. In battle, this Pokémon gives off more of its becalming scent to blunt the foe’s fighting spirit.

Names in other languages

Japaneseメガニウム
Japanese (Rōmaji)Meganium
GermanMeganie
FrenchMéganium
SpanishMeganium
ItalianMeganium
Korean메가니움
Chinese (Simplified)大竺葵
Chinese (Traditional)大竺葵

Official data here is present-day reference data from PokéAPI, not a snapshot of any one game's era — the Fairy type and hidden abilities arrived partway through the series, so a difference against an older game can belong to the series rather than to that ROM hack.