Meganium
TL;DR. Meganium is a pure grass-type Pokémon from Generation II. Base Stat Total: 525. The aroma that rises from its petals contains a substance that calms aggressive feelings.
The aroma that rises from its petals contains a substance that calms aggressive feelings.
Stat spread.
Total of 525. Higher peaks mean specialized roles, flat spreads favor versatility.
Rankings computed across all 1025 base-species Pokémon (Mega and Gigantamax forms excluded). Source: National Pokédex base stats.
Meganium in Pokémon GO.
Pokémon GO uses its own hand-tuned base stats, distinct from the main-series spread above. At a perfect 15/15/15, Meganium reaches 2,410 CP at level 40 and 2,757 CP as a best buddy.
Run the numbers: CP & HP calculator · PvP IV optimizer · Catch CP calculator
Meganium in competitive play.
Recommended builds and battle rankings for Meganium across the current metagames. In Pokémon GO it ranks #323 in the Great League.
Build around it: GO PvP IV optimizer · Team builder · Ask Dia
Movesets via Smogon, GO ranks via PvPoke. Updated 2026-06-01.
Common questions about Meganium.
Direct, sourced answers to the most-asked questions about Meganium, each computed straight from its Pokédex data.
What type is Meganium?
Meganium is a pure Grass-type Pokémon. It has a single typing, which means a simpler matchup chart but also fewer resistances.
What is Meganium weak to?
Meganium takes 2× damage from Fire, Ice, Poison, Flying, Bug. It has no 4× weaknesses.
What is Meganium resistant to?
Meganium resists Water, Grass, Electric, Ground. It has no full immunities.
How does Meganium evolve?
Meganium evolves from Bayleef (Level 32). Meganium evolves into Mega Meganium (Mega Evolve with Meganiumite (battle-only)).
What generation is Meganium from?
Meganium was introduced in Generation II (the Johto region). Its Pokédex number is #0154.
What are Meganium's base stats?
Meganium has HP 80, Attack 82, Defense 100, Special Attack 83, Special Defense 100, and Speed 80. Total base stat total: 525.
What are Meganium's abilities?
Meganium can have the ability Overgrow, plus the Hidden Ability Leaf Guard.
Is Meganium legendary or mythical?
No. Meganium is a regular Pokémon, not classified as Legendary or Mythical.
What is Meganium's best stat?
Meganium's highest base stat is Defense at 100, which ranks 14th of 127 Grass-type Pokémon.
Is Meganium good?
Meganium has a base stat total of 525, the 189th-highest of all 1025 Pokémon species and 21st among Grass-types. That is a strong, fully-evolved stat spread.
This Pokémon has forms.
Through the generations.
Meganium as drawn across two decades of Pokémon games, plus the modern Pokémon HOME render. Hit the cry button to hear it.
In battle.
Damage multipliers when Meganium is hit by each attacking type. 4× is two stacked weaknesses, ¼× is two stacked resistances.
Meganium vs. the average Grass-type.
Each base stat measured against the mean across all 127 Grass-type Pokémon.
| Stat | Meganium | Grass avg | Difference |
|---|---|---|---|
| HP | 80 | 66 | +14 |
| Attack | 82 | 75 | +7 |
| Defense | 100 | 72 | +28 |
| Special Attack | 83 | 72 | +11 |
| Special Defense | 100 | 72 | +28 |
| Speed | 80 | 60 | +20 |
| Total | 525 | 417 | +108 |
Meganium appears in 25 games.
Every mainline release where Meganium is obtainable, has a dex entry, or is transferable. Grouped by generation.
- 2000 Gold
- 2000 Silver
- 2001 Crystal
- 2003 Ruby
- 2003 Sapphire
- 2004 FireRed
- 2004 LeafGreen
- 2005 Emerald
- 2007 Diamond
- 2007 Pearl
- 2009 Platinum
- 2010 HeartGold
- 2010 SoulSilver
- 2011 Black
- 2011 White
- 2012 Black 2
- 2012 White 2
- 2013 X
- 2013 Y
- 2014 Alpha Sapphire
- 2014 Omega Ruby
- 2023 Indigo Disk DLC
- 2025 Legends: Z-A
- 2026 Pokémon Champions
- 2016 Pokémon GO
Meganium isn't found in the wild.
No main-series wild encounters recorded. Meganium is obtained through evolution, breeding, trade, or a special event or static encounter.
Meganium appears in 9 episodes.
From EP261 (2002-08-01) through JN116 (2022-07-08).
- EP261 Entei at Your Own Risk Original 2003-08-16
- EP266 Mother of All Battles Original 2003-09-15
- EP268 A Claim to Flame! Original 2003-09-17
- AG065 Gulpin it Down Advanced Generation 2005-02-12
- AG106 Beg, Burrow and Steal Advanced Generation 2005-12-17
- AG161 Odd Pokémon Out! Advanced Generation 2006-10-28
- AG190 Pace – The Final Frontier! Advanced Generation 2007-02-17
- DP146 Dressed for Jess Success! Diamond & Pearl 2010-02-27
- JN116 Pride of a Champion! Journeys 2023-02-24
Pokémon Masters EX · Sync Pairs
Meganium partners with 1 trainer in Masters EX.
Each card is a canon Trainer + Meganium partnership. Tap any pair to open the Sync Pair catalog and explore the full roster.
Pokémon Sleep · Dozing type
Meganium has 4 sleep styles.
Catch each pose by sleeping near Snorlax with enough Drowsy Power. Meganium sleeps as a Dozing type.
TCG Pocket appearances
1 Meganium card across TCG Pocket.
Every printed variant on iOS / Android. Tap any card for full art.
Pokémon like Meganium
Closest matches by typing, role, stats, and lore, from the same semantic search that powers the Reverse Dex.