Gloom in Pokémon GO

Type	Grass / Poison
Pokédex number	#44
Base Attack / Defense / Stamina	153 / 136 / 155
Max CP, level 40 / 50 / 51	1,681 / 1,900 / 1,923
Max HP, level 50	142
Buddy distance	3 km per Candy
Second Charged Attack	50,000 Stardust and 50 Candy
Height / weight	0.8 m / 8.6 kg

Gloom evolution

Pokémon GO has no evolution levels: a Pokémon evolves when you spend Candy on it (sometimes with an item or a task), at any level.

Gloom evolves from Oddish for 25 Oddish Candy.

Gloom evolves into Vileplume for 100 Oddish Candy.

Gloom evolves into Bellossom for 100 Oddish Candy and a Sun Stone.

Family: Oddish · Gloom · Vileplume · Bellossom

Gloom CP by level

Combat Power with perfect stats (15/15/15) and with 10/10/10. Players find that raid, egg and research catches never have a stat below 10; that floor is their measurement, not a number in the game data.

Level	CP 15/15/15	CP 10/10/10	HP 15/15/15	Note
15	720	677	87	research rewards are at most level 15 (game master)
20	960	902	101	eggs hatch at most level 20 (game master); raid catches are level 20 (players’ measurement)
25	1,200	1,128	113	raid catches in weather that boosts the boss’s type are level 25 (players’ measurement)
30	1,441	1,354	124	wild Pokémon are at most level 30 (game master)
35	1,561	1,467	129
40	1,681	1,580	134
45	1,789	1,681	138
50	1,900	1,786	142
51	1,923	1,807	143	best buddy bonus on a level 50 Pokémon

Gloom best moveset

Ranked by damage per second over one cycle of fast attacks and one charged attack. Assumptions: Gloom at level 40 with 15/15/15, a target with 180 Defense taking neutral damage, no weather boost, and the energy Gloom gains from being hit left out.

Fast attack	Charged attack	Damage per second
Acid	Sludge Bomb	8.4
Razor Leaf	Sludge Bomb	8.2
Razor Leaf	Petal Blizzard	7.9
Acid	Petal Blizzard	7.9
Razor Leaf	Moonblast	7.3

Fast attacks

Move	Type	Power	Energy	Time	Power / s
Acid	Poison	11	10	1 s	11.0	same type, ×1.2
Razor Leaf	Grass	13	7	1 s	13.0	same type, ×1.2

Charged attacks

Move	Type	Power	Energy cost	Time	Power / s
Moonblast	Fairy	130	100	4 s	32.5
Petal Blizzard	Grass	110	100	2.5 s	44.0	same type, ×1.2
Sludge Bomb	Poison	85	50	2.5 s	34.0	same type, ×1.2

Gloom weaknesses and resistances

Damage multipliers for each attack type against Grass / Poison. Pokémon GO uses ×1.6 for super effective and ×0.625 for not very effective, multiplied for two types.

Attack type	Damage
Fire	×1.6
Flying	×1.6
Ice	×1.6
Psychic	×1.6
Grass	×0.39
Electric	×0.625
Fairy	×0.625
Fighting	×0.625
Water	×0.625

Gloom CP calculator

Level Attack IV Defense IV HP IV

CP 1,681 · HP 134

← #43 Oddish  ·  #45 Vileplume →  ·  All Pokémon in Pokémon GO

Sources: stats, moves, evolution costs and the CP multiplier for each level are from the Pokémon GO game master as published by PokeMiners (commit 8e227be, data of 28 August 2026). Which Pokémon are in the game: pogoapi.net (list of 31 January 2026). CP = ⌊(Attack+IV) × √(Defense+IV) × √(Stamina+IV) × CPM² / 10⌋, checked against pogoapi.net’s max CP table for 888 Pokémon. Raid catch levels and the 10/10/10 floor are players’ measurements; they are not in the game data. Pokémon and Pokémon GO are trademarks of their owners; this page is not affiliated with or endorsed by Niantic, Scopely, Nintendo, Creatures, GAME FREAK or The Pokémon Company.