Mixed
Balanced
70Speed · Below Avg

Is Treecko Good in Ultra Sun & Ultra Moon Playthrough?

Island Scan Grass-type. Sceptile is fast and hits hard with Special Attack, but the scanning effort to get Treecko and the Grass competition from native Pokemon limit its impact.

StrongGoodEvenToughBadGEGTTGTEGTGTGEBTIlimaTrial 1HalaKahuna 1LanaTrial 2KiaweTrial 3MallowTrial 4OliviaKahuna 2SophoclesTrial 5AcerolaTrial 6NanuKahuna 3MinaTrial 7HapuKahuna 4TreeckoTradeMolayneE4OliviaE4AcerolaE4KahiliE4KukuiChamp*
Ilima
Trial 1
Good

Treecko has the type edge here and should clean up Ilima's team.

Even
Gumshoos
Lv 12
Normal
Stakeout
Super FangBiteLeerScary Face
You Win
Yungoos
Lv 10
Normal
Stakeout
LeerTacklePursuitOdor Sleuth
Hala
Kahuna 1
Even

Treecko trades roughly evenly with Hala's team.

Even
Hariyama
Lv 63
Fighting
Thick Fat
Fake OutClose CombatKnock OffHeavy Slam
Even
Machamp
Lv 63
Fighting
Guts
Cross ChopThunder PunchIce PunchFire Punch
Even
Bewear
Lv 63
NormalFighting
Fluffy
Hammer ArmBrutal SwingDragon ClawShadow Claw
You Win
Poliwrath
Lv 63
WaterFighting
Water Absorb
WaterfallBrick BreakPoison JabPayback
Even
Crabominable
Lv 63
FightingIce
Iron Fist
Ice HammerClose CombatStone EdgeEarthquake
Lana
Trial 2
Good

Treecko has the type edge here and should clean up Lana's team.

You Win
Lanturn
Lv 60
WaterElectric
Volt Absorb
DischargeHydro PumpThunder WaveIcy Wind
You Win
Cloyster
Lv 60
WaterIce
Skill Link
Spike CannonIcicle CrashSmart StrikeSpikes
Even
Araquanid
Lv 60
WaterBug
Water Bubble
LiquidationLeech LifeCrunchFrost Breath
Kiawe
Trial 3
Tough

Kiawe's team hits Treecko's weaknesses hard.

Risky
Alolan Marowak
Lv 22
FireGhost
Intimidate
HexFlame WheelBrick BreakDetect
Avoid
Salazzle
Lv 20
PoisonFire
Corrosion
Poison GasVenoshockFlame BurstTorment
Mallow
Trial 4
Tough

Mallow's team hits Treecko's weaknesses hard.

Avoid
Lurantis
Lv 24
Grass
Leaf Guard
Low SweepX ScissorSolar BladeSynthesis
You Win
Kecleon
Lv 22
Normal
Color Change
Sunny DayAncient PowerDizzy PunchScreech
Olivia
Kahuna 2
Good

Treecko has the type edge here and should clean up Olivia's team.

Even
Anorith
Lv 27
RockBug
Battle Armor
Bug BiteSmack DownMetal Claw
You Win
Lileep
Lv 27
RockGrass
Suction Cups
Giga DrainAncient PowerBrine
You Win
Lycanroc
Lv 28
Rock
Vital Spirit
BiteRock Tomb
Sophocles
Trial 5
Tough

Sophocles's team hits Treecko's weaknesses hard.

Risky
Togedemaru
Lv 33
ElectricSteel
Iron Barbs
Zing ZapSpiky ShieldIron HeadBounce
Risky
Skarmory
Lv 32
SteelFlying
Keen Eye
Stealth RockSteel WingTailwindTorment
Acerola
Trial 6
Even

Treecko trades roughly evenly with Acerola's team.

Risky
Mimikyu
Lv 35
GhostFairy
Disguise
Shadow ClawPlay RoughLeech LifeSlash
You Win
Banette
Lv 32
Ghost
Insomnia
ScreechWill O WispFeint AttackCurse
Nanu
Kahuna 3
Good

Treecko has the type edge here and should clean up Nanu's team.

Even
Sableye
Lv 43
DarkGhost
Keen Eye
Power GemShadow BallFake Out
Easy KO
Krokorok
Lv 43
GroundDark
Intimidate
CrunchAssuranceSwaggerEarthquake
Even
Persian
Lv 44
Normal
Fur Coat
Power GemFake OutDark Pulse
Mina
Trial 7
Tough

Mina's team hits Treecko's weaknesses hard.

Avoid
Ribombee
Lv 55
BugFairy
Shield Dust
Bug BuzzDraining KissQuiver DanceDazzling Gleam
You Win
Pelipper
Lv 52
WaterFlying
Keen Eye
StockpileScaldSpit UpSeed Bomb
Hapu
Kahuna 4
Good

Treecko has the type edge here and should clean up Hapu's team.

You Win
Golurk
Lv 53
GroundGhost
No Guard
Hammer ArmEarthquakeShadow PunchStealth Rock
Easy KO
Gastrodon
Lv 53
WaterGround
Sticky Hold
Muddy WaterMud BombRecover
You Win
Flygon
Lv 53
GroundDragon
Levitate
Earth PowerDragon Breath
Easy KO
Mudsdale
Lv 54
Ground
Stamina
Heavy SlamEarthquakeDouble KickPayback
Molayne
Elite Four
Tough

Molayne's team hits Treecko's weaknesses hard.

Risky
Klefki
Lv 56
SteelFairy
Prankster
SpikesThunder WaveFlash CannonReflect
Risky
Bisharp
Lv 56
DarkSteel
Defiant
Night SlashIron HeadX ScissorMetal Sound
Risky
Magnezone
Lv 56
ElectricSteel
Sturdy
Flash CannonThunderboltTri AttackScreech
Risky
Metagross
Lv 56
SteelPsychic
Clear Body
Hammer ArmMeteor MashBullet PunchZen Headbutt
Even
Alolan Dugtrio
Lv 57
GroundSteel
Tangling Hair
EarthquakeIron HeadSucker PunchFissure
Olivia
Elite Four
Good

Treecko has the type edge here and should clean up Olivia's team.

Even
Armaldo
Lv 56
RockBug
Battle Armor
Crush ClawX ScissorRock Blast
You Win
Cradily
Lv 56
RockGrass
Suction Cups
Rock TombEnergy BallStealth Rock
You Win
Gigalith
Lv 56
Rock
Sand Stream
Stone EdgeBulldozeIron Head
You Win
Probopass
Lv 56
RockSteel
Sturdy
Earth PowerPower GemThunder WaveSandstorm
You Win
Lycanroc
Lv 57
Rock
Keen Eye
CrunchStone EdgeCounterRock Climb
Acerola
Elite Four
Even

Treecko trades roughly evenly with Acerola's team.

Even
Banette
Lv 56
Ghost
Insomnia
Shadow ClawFeint AttackInfestationScreech
Even
Drifblim
Lv 56
GhostFlying
Aftermath
Ominous WindFocus EnergyAmnesiaBaton Pass
Risky
Dhelmise
Lv 56
GhostGrass
Steelworker
SlamShadow BallEnergy BallWhirlpool
Even
Froslass
Lv 56
IceGhost
Snow Cloak
BlizzardShadow BallConfuse RayIce Shard
Easy KO
Palossand
Lv 57
GhostGround
Water Compaction
Shadow BallEarth PowerGiga DrainIron Defense
Kahili
Elite Four
Bad

Kahili's Pokemon outpace and outclass Treecko here.

Avoid
Braviary
Lv 56
NormalFlying
Sheer Force
Crush ClawBrave BirdAir SlashScary Face
Avoid
Hawlucha
Lv 56
FightingFlying
Mold Breaker
Flying PressThroat ChopDual ChopPoison Jab
Avoid
Mandibuzz
Lv 56
DarkFlying
Big Pecks
Bone RushBrave BirdPunishmentFlatter
Avoid
Toucannon
Lv 57
NormalFlying
Skill Link
Bullet SeedRock BlastBeak BlastScreech
Kukui
Champion
Tough

Kukui's team hits Treecko's weaknesses hard.

Risky
Alolan Ninetales
Lv 68
IceFairy
Snow Cloak
Dazzling GleamBlizzardIce ShardSafeguard
Avoid
Braviary
Lv 68
NormalFlying
Keen Eye
Crush ClawBrave BirdWhirlwindTailwind
Risky
Magnezone
Lv 68
ElectricSteel
Sturdy
ThunderboltFlash CannonThunder WaveMirror Coat
Even
Snorlax
Lv 68
Normal
Thick Fat
Body SlamCrunchHeavy SlamHigh Horsepower
Risky
Incineroar
Lv 68
FireDark
Blaze
Flare BlitzDarkest LariatOutrageCross Chop
Trade
Trade only
Type
Grass

Treecko cannot be caught in this game. It must be traded in from a compatible game where it appears in the wild. Cross-region trading typically becomes available after defeating the Elite Four.

View Treecko locations

How to Get Treecko in Ultra Sun & Ultra Moon

You're catching Treecko first, not Treecko. Treecko appears in the wild in the encounters below. The step cards map the full 3-stage chain with evolution methods between each stage.

How to Obtain Treecko in USUM

  1. Treecko
    Step 1Treecko
  2. Grovyle
    Step 2Catch or Evolve into Grovyle
    Route 5
    Lv.16Grass
    Island Scan (Friday)
    or evolve from Treecko (Step 1)
  3. Sceptile
    Step 3Evolve into Sceptile

Treecko Weakness

Treecko is weak to Fire, Ice, Poison, Flying, and Bug. It resists 4 types, giving it decent defensive coverage. That's a lot of weak spots to cover so team support is important.

Treecko Weakness and Resistance Chart
DamageTypes
2x (Weak)Fire, Ice, Poison, Flying, Bug
0.5x (Resist)Water, Electric, Grass, Ground

What is Treecko Weak Against

Fragile
5Weak
4Resist
0Immune
Score-6
4xCritical
None
¼xResist
None
0xImmune
None

What is Treecko Strong Against

3Strong
7Resisted
0Immune
Score-4

Best Pokemon Against Treecko

Treecko Evolutions

Treecko is the start of a three-stage chain. It evolves into Grovyle first, then eventually reaches Sceptile. For breeding, average hatch time with plenty of partners via two egg groups. Evolving adds up to 220 stat points total. View every chain in the Evolution Chart.

How to Evolve

3 Forms
Stat Comparison 3 Stages
Treecko
Grass
Grovyle
Grass
HP
40
50+10
70+20
ATK
45
65+20
85+20
DEF
35
45+10
65+20
SP.ATK
65
85+20
105+20
SP.DEF
55
65+10
85+20
SPE
70
95+25
120+25
BST
310D-Tier
405C-Tier+95
530B-Tier+125
ROLE
Balanced
Balanced
Sweeper
TYPE
Special
Special
Special

Breeding

Easy

Breed Treecko easily with 57 breeding partners from the Dragon and Monster egg groups. Pass egg moves like Bullet Seed, Crunch, Crush Claw and 13 more to offspring.

Egg Groups
Gender
87.5%12.5%
Hatch Time
20 cycles·5,140 steps
Quick~5 min with Flame Body
Egg Moves
16moves
Breed With (best first)
gyaradoscharizardkingdrasceptileflygonmiloticnoivernvenusaurblastoisenidokingmeganiumferaligatr

USUM Treecko Best Moveset

Grass at 65 Sp. Atk and 70 Speed with AbilityOvergrow and AbilityUnburden doubling Speed after item use as a hidden ability. The moveset at pre-evolution power does nothing. Sceptile two evolutions away adds 120 Speed and Mega access.

Best Build

Experimental
Physical Sweeper
Ability
Unburden
Item
Focus SashSURVIVAL
Best Nature for Treecko

Treecko best EVs are Attack and Speed

EVs

Physical Sweeper Moveset

  • EndeavorCoverage
  • AcrobaticsCoverage
  • Quick Attack
  • DetectFAST +4

Moves List

Egg moves make a real difference. Treecko gets Bullet Seed and Crunch exclusively through breeding, filling gaps that TMs and level-up can't touch. Coverage across 8 types rounds out the picture alongside Leaf Storm and Solar Beam.

Level-Up Moves

Lv 1
Leer
10030Normal
Lv 1
Pound
4010035Normal
Lv 5
Absorb
6010025Grass
Lv 9
Quick Attack+1
B4010030Normal
Lv 13
Mega Drain
D11210015Grass
Lv 17
Pursuit
D4010020Dark
Lv 21
Giga Drain
C11210010Grass
Lv 25
Agility
C30Psychic
Lv 29
Slam
807520Normal
Lv 33
Detect+4
A5Fighting
Lv 37
Energy Ball
A13510010Grass
Lv 41
Quick Guard+3
15Fighting
Lv 45
Endeavor
B1005Normal
Lv 49
Screech
8540Normal

TM Moves

TM
TM62
Acrobatics
B5510015Flying
TM40
Aerial Ace
D6020Flying
TM45
Attract
D10015Normal
TM31
Brick Break
D7510015Fighting
TM100
Confide
D20Normal
TM32
Double Team
15Normal
TM53
Energy Ball
A13510010Grass
TM42
Facade
D7010020Normal
TM56
Fling
10010Dark
TM21
Frustration
D10020Normal
TM86
Grass Knot
D10020Grass
TM10
Hidden Power
6010015Normal
TM96
Nature Power
D20Normal
TM17
Protect+4
A10Normal
TM44
Rest
C10Psychic
TM27
Return
D10020Normal
TM80
Rock Slide
D759010Rock
TM39
Rock Tomb
D609515Rock
TM48
Round
6010015Normal
TM20
Safeguard
D25Normal
TM88
Sleep Talk
C10Normal
TM22
Solar Beam
C30010010Grass
TM90
Substitute
C10Normal
TM11
Sunny Day
C5Fire
TM87
Swagger
D8515Normal
TM75
Swords Dance
C20Normal
TM06
Toxic
C9010Poison
TM01
Work Up
C30Normal

Egg Moves

Egg
Egg
Bullet Seed
D3710030Grass
Egg
Crunch
D8010015Dark
Egg
Crush Claw
D759510Normal
Egg
Double Kick
D3010030Fighting
Egg
Dragon Breath
D6010020Dragon
Egg
Endeavor
B1005Normal
Egg
Grass Whistle
5515Grass
Egg
Grassy Terrain
D10Grass
Egg
Leaf Storm
C195905Grass
Egg
Leech Seed
C9010Grass
Egg
Magical Leaf
9020Grass
Egg
Mud Sport
15Ground
Egg
Natural Gift
10015Normal
Egg
Razor Wind
8010010Normal
Egg
Synthesis
C5Grass
Egg
Worry Seed
D10010Grass

Tutor Moves

Tut
Tutor
Drain Punch
D7510010Fighting
Tutor
Endeavor
B1005Normal
Tutor
Focus Punch-3
C15010020Fighting
Tutor
Giga Drain
C11210010Grass
Tutor
Grass Pledge
12010010Grass
Tutor
Iron Tail
D1007515Steel
Tutor
Low Kick
D10020Fighting
Tutor
Seed Bomb
A12010015Grass
Tutor
Snore
D5010015Normal
Tutor
Synthesis
C5Grass
Tutor
Thunder Punch
D7510015Electric
Tutor
Worry Seed
D10010Grass

Base Stats

Base Stats
Avg
HP40
D
Attack45
D
Defense35
F
Sp. Atk65
C
Sp. Def55
D
Speed70
C
Total310
Details
Catch Rate
Challenging45 / 255
Growth Rate
Medium Slow1.06M XP
Height0.5 m
Weight5.0 kg
Base XP62
Abilities
Overgrow
Strengthens grass moves to inflict 1.5× damage at 1/3 max HP or less.
UnburdenHidden Ability
Doubles Speed upon using or losing a held item.
EV Yield
HPAtkDefSpASpDSpe+1
Speed training source

Treecko Ultra Sun & Ultra Moon Guide

  • In Ultra Sun & Ultra Moon, Treecko does the job early-game if you need a Grass type on your team. Evolve it into Grovyle before the later gyms and it holds up fine through the story.

Game Availability

Treecko first appeared in Ruby & Sapphire and has been available in 16 games across 8 generations. Obtainable through catching or hatching as a base form in most titles where it appears.

Was this page helpful?
Thanks for your feedback!
Want to tell us more?
What was most useful?
What could be improved?
Thanks for your feedback