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0285

Shroomish

Normal
Shiny

Sign in to mark the Shroomish you own and where each one is.

Where to catch it

9 games

What you have, to work out your shiny odds

Scarlet/Violet

SwitchStart a huntI have itAvailable now
Wild odds
  • Full odds 1 in 4,096
  • Mass outbreak up to 1 in 1,365 (cleared 60+ · outbreak species only)
Breeding odds
  • South Province (Areas Three and Five) and West Province (Area Three)Wild

    Researched, awaiting review · checked 7 Oct 2026 · serebii.net

    Something wrong?

    Shiny: yes

Brilliant Diamond/Shining Pearl

SwitchStart a huntI have itAvailable now
Wild odds
Breeding odds
  • Great MarshWild

    One of the daily rotating Great Marsh Pokémon; needs the National Pokédex.

    Researched, awaiting review · checked 7 Oct 2026 · serebii.net

    Something wrong?

    Shiny: yes

Omega Ruby/Alpha Sapphire

3DSStart a huntI have itAvailable now

Transfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Pokémon Bank

Wild odds
Breeding odds

X/Y

3DSStart a huntI have itAvailable now

Transfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Pokémon Bank

Breeding odds
  • Breed BreloomEgg

    Hatch an egg from Breloom at the Route 7 Day Care. The base form comes only from the Friend Safari, which now needs a 3DS friend registered over local wireless.

    Researched, awaiting review · checked 7 Oct 2026 · thonky.com

    Something wrong?

    Shiny: yes

Black 2/White 2

DSStart a huntI have itAvailable now

Transfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transporter → Pokémon Bank

Breeding odds
  • Breed BreloomEgg

    Breed Breloom; the parent is a Hidden Grotto Pokémon.

    Researched, awaiting review · checked 7 Oct 2026 · pokemondb.net

    Something wrong?

    Shiny: yes

Black/White

DSStart a huntI have itAvailable now

Transfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transporter → Pokémon Bank

Wild odds
  • Full odds 1 in 8,192
Breeding odds
  • Route 11WildBlack only

    Post-game swarm: it only appears on days the gate monitors report it swarming on this route.

    Researched, awaiting review · checked 7 Oct 2026 · pokemondb.net

    Something wrong?

    Shiny: yes

HeartGold/SoulSilver

DSStart a huntI have itAvailable now

Transfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transfer to a Gen 5 game → Poké Transporter → Pokémon Bank

Wild odds
  • Full odds 1 in 8,192
Breeding odds
  • Johto Safari Zone — SavannahWild

    Lv. 45 · Walk

    Imported, awaiting review · checked 7 Oct 2026 · PokeAPI

    Something wrong?

    Shiny: yes

  • Viridian ForestWild

    Lv. 3–7 · Headbutt

    Imported, awaiting review · checked 7 Oct 2026 · PokeAPI

    Something wrong?

    Shiny: yes

Platinum

DSStart a huntI have itAvailable now

Transfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transfer to a Gen 5 game → Poké Transporter → Pokémon Bank

Wild odds
Breeding odds
  • Great Marsh — Area 1Wild

    Lv. 28–30 · Walk

    Imported, awaiting review · checked 7 Oct 2026 · PokeAPI

    Something wrong?

    Shiny: yes

  • Great Marsh — Area 2Wild

    Lv. 28–30 · Walk

    Imported, awaiting review · checked 7 Oct 2026 · PokeAPI

    Something wrong?

    Shiny: yes

  • Great Marsh — Area 3Wild

    Lv. 28–29 · Walk

    Imported, awaiting review · checked 7 Oct 2026 · PokeAPI

    Something wrong?

    Shiny: yes

  • Great Marsh — Area 4Wild

    Lv. 28–29 · Walk

    Imported, awaiting review · checked 7 Oct 2026 · PokeAPI

    Something wrong?

    Shiny: yes

  • Great Marsh — Area 5Wild

    Lv. 27–28 · Walk

    Imported, awaiting review · checked 7 Oct 2026 · PokeAPI

    Something wrong?

    Shiny: yes

  • Great Marsh — Area 6Wild

    Lv. 27–28 · Walk

    Imported, awaiting review · checked 7 Oct 2026 · PokeAPI

    Something wrong?

    Shiny: yes

Diamond/Pearl

DSStart a huntI have itAvailable now

Transfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transfer to a Gen 5 game → Poké Transporter → Pokémon Bank

Wild odds
Breeding odds
  • Great Marsh — Area 1Wild

    Lv. 26 · Walk

    Imported, awaiting review · checked 7 Oct 2026 · PokeAPI

    Something wrong?

    Shiny: yes

  • Great Marsh — Area 2Wild

    Lv. 26 · Walk

    Imported, awaiting review · checked 7 Oct 2026 · PokeAPI

    Something wrong?

    Shiny: yes

  • Great Marsh — Area 3Wild

    Lv. 24 · Walk

    Imported, awaiting review · checked 7 Oct 2026 · PokeAPI

    Something wrong?

    Shiny: yes

  • Great Marsh — Area 4Wild

    Lv. 24 · Walk

    Imported, awaiting review · checked 7 Oct 2026 · PokeAPI

    Something wrong?

    Shiny: yes

  • Great Marsh — Area 5Wild

    Lv. 22 · Walk

    Imported, awaiting review · checked 7 Oct 2026 · PokeAPI

    Something wrong?

    Shiny: yes

  • Great Marsh — Area 6Wild

    Lv. 22 · Walk

    Imported, awaiting review · checked 7 Oct 2026 · PokeAPI

    Something wrong?

    Shiny: yes

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