Edition differences: original GBA and Nintendo Switch (2026)

Battle data describes Generation III rules. Availability notes distinguish native catches, evolution and breeding from original GBA imports. GBA games can trade with compatible Generation III games after the network quest; Switch supports local FireRed/LeafGreen trading and cannot import Pokémon from other games. Transfers to Pokémon HOME are one way.

GBA: AuroraTicket and MysticTicket required historical event distributions. Switch: both tickets are added after entering the Hall of Fame, providing access to Deoxys on Birth Island and Lugia/Ho-Oh on Navel Rock. Other event Pokémon and GBA imports are not made available by these tickets.

Original GBA: a roaming Entei or Raikou that successfully ends an encounter with Roar disappears permanently because of a game bug. The Switch editions fix this Roar disappearance bug.

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Treecko

#252 in the National Pokédex • Wood Gecko Pokémon

Normal

Shiny

Celebi Grovyle

Pokédex entries

FireRed

It quickly scales even vertical walls. It senses humidity with its tail to predict the next day’s weather.

LeafGreen

It quickly scales even vertical walls. It senses humidity with its tail to predict the next day’s weather.

Details

Type

Weak to

2×

2×

2×

2×

2×

Resists

0.5×

0.5×

0.5×

Growth

EV yield, catch rate, and experience details for this Pokémon.

EV yield	1 Spe
Catch rate	45
Base Exp.	65

Eggs

Egg groups, gender ratio, and hatching details for this Pokémon.

Egg groups	Monster Dragon
Gender	87.5% male 12.5% female
Egg cycles	20 (5,375 steps)

Evolution

Evolution requirements shown in a compact table or chain view.

Pokémon	Requires	Evolution
Treecko #252	Level 16 This line requires importing Pokémon from another Generation III game on GBA; unavailable on Switch. Requires the National Pokédex.	Grovyle #253
Grovyle #253	Level 36 This line requires importing Pokémon from another Generation III game on GBA; unavailable on Switch. Requires the National Pokédex.	Sceptile #254

Moves

Moves this Pokémon learns naturally by reaching specific levels.

		Class				Description
Start	Pound	Physical	40	100	35	A physical attack delivered with a long tail or a foreleg, etc.
Start	Leer	Status	-	100	30	The foe is given an intimidating look that lowers its DEFENSE stat.
6	Absorb	Special	20	100	20	An attack that absorbs half the damage it inflicted to restore HP.
11	Quick Attack	Physical	40	100	30	An almost invisibly fast attack that is certain to strike first.
16	Pursuit	Special	40	100	20	An attack move that works especially well on a foe that is switching out.
21	Screech	Status	-	85	40	An ear-splitting screech is emitted to sharply reduce the foe’s DEFENSE.
26	Mega Drain	Special	40	100	10	A tough attack that drains half the damage it inflicted to restore HP.
31	Agility	Status	-	-	30	The user relaxes and lightens its body to sharply boost its SPEED.
36	Slam	Physical	80	75	20	The foe is struck with a long tail, vines, etc.
41	Detect	Status	-	-	5	Enables the user to evade all attacks. It may fail if used in succession.
46	Giga Drain	Special	60	100	5	A harsh attack that absorbs half the damage it inflicted to restore HP.

Machine compatibility for Generation III. HM08 Dive cannot be obtained in FireRed or LeafGreen; a Pokémon must learn it in another Generation III game and be traded in on GBA. Switch has no incoming transfers from those games.

		Class				Description
TM01	Focus Punch	Physical	150	100	20	An attack that is executed last. The user flinches if hit beforehand.
TM06	Toxic	Status	-	85	10	A move that badly poisons the foe. Its poison damage worsens every turn.
TM09	Bullet Seed	Special	10	100	30	The user shoots seeds at the foe. Two to five seeds are shot at once.
TM10	Hidden Power	Physical	-	100	15	An attack that varies in type and intensity depending on the user.
TM11	Sunny Day	Status	-	-	5	The sun blazes for five turns, powering up FIRE-type moves.
TM17	Protect	Status	-	-	10	Enables the user to evade all attacks. It may fail if used in succession.
TM19	Giga Drain	Special	60	100	5	A harsh attack that absorbs half the damage it inflicted to restore HP.
TM20	Safeguard	Status	-	-	25	It protects the user’s party from all status problems for five turns.
TM21	Frustration	Physical	-	100	20	This attack move grows more powerful the less the user likes its TRAINER.
TM22	Solar Beam	Special	120	100	10	A 2-turn move that blasts the foe with absorbed energy in the 2nd turn.
TM23	Iron Tail	Physical	100	75	15	An attack with a steel-hard tail. It may lower the foe’s DEFENSE stat.
TM27	Return	Physical	-	100	20	This attack move grows more powerful the more the user likes its TRAINER.
TM28	Dig	Physical	60	100	10	An attack that hits on the 2nd turn. Can also be used to exit dungeons.
TM31	Brick Break	Physical	75	100	15	An attack that also breaks any barrier like LIGHT SCREEN and REFLECT.
TM32	Double Team	Status	-	-	15	The user creates illusory copies of itself to raise its evasiveness.
TM39	Rock Tomb	Physical	50	80	10	Boulders are hurled at the foe. It also lowers the foe’s SPEED if it hits.
TM40	Aerial Ace	Physical	60	-	20	An extremely fast attack against one target. It can’t be evaded.
TM42	Facade	Physical	70	100	20	An attack that is boosted if user is burned, poisoned, or paralyzed.
TM43	Secret Power	Physical	70	100	20	An attack that may have an additional effect that varies with the terrain.
TM44	Rest	Status	-	-	10	The user sleeps for two turns to fully restore HP and heal any status problem.
TM45	Attract	Status	-	100	15	If it is the other gender, the foe is made infatuated and unlikely to attack.
HM01	Cut	Physical	50	95	30	A basic attack. It can be used to cut down thin trees and grass.
HM04	Strength	Physical	80	100	15	The foe is slugged at maximum power. Can also be used to move boulders.
HM05	Flash	Status	-	70	20	A blast of light that cuts the foe’s accuracy. It also illuminates caves.
HM06	Rock Smash	Physical	20	100	15	An attack that may also cut DEFENSE. It can also smash cracked boulders.

Tutors

Moves this Pokémon can learn from move tutors in this game.

	Class				Description
Body Slam	Physical	85	100	15	The user drops its full body on the foe. It may leave the foe paralyzed.
Counter	Physical	-	100	20	A retaliation move that counters any physical hit with double the damage.
Double-Edge	Physical	120	100	15	A reckless, life-risking tackle that also hurts the user a little.
Mega Kick	Physical	120	75	5	The foe is attacked by a kick fired with muscle-packed power.
Mega Punch	Physical	80	85	20	The foe is slugged by a punch thrown with muscle-packed power.
Mimic	Status	-	-	10	The user copies the move last used by the foe for the rest of the battle.
Seismic Toss	Physical	-	100	20	A gravity-fed throw that causes damage matching the user’s level.
Substitute	Status	-	-	10	The user creates a decoy using one-quarter of its full HP.
Swords Dance	Status	-	-	30	A frenetic dance of fighting. It sharply raises the ATTACK stat.

Breeding

Moves this Pokémon can inherit through breeding or similar methods.

	Class				Description
Crunch	Special	80	100	15	The foe is crunched with sharp fangs. It may lower the foe’s SP. DEF.
Crush Claw	Physical	75	95	10	The foe is attacked with sharp claws. It may also lower the foe’s DEFENSE.
Dragon Breath	Special	60	100	20	The foe is hit with an incredible blast of breath that may also paralyze.
Endeavor	Physical	-	100	5	Gains power the fewer HP the user has compared with the foe.
Leech Seed	Status	-	90	10	A seed is planted on the foe to steal some HP for the user on every turn.
Mud Sport	Status	-	-	15	Weakens ELECTRIC-type attacks while the user is in the battle.

Traits

Ability options available to this Pokémon in this game.

Overgrow

Ups GRASS moves in a pinch.

Strengthens Grass moves to inflict 1.5× damage at 1/3 max HP or less.

#251

Celebi

#253

Grovyle

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