Grookey family Top 10 guide

Members
Grookey, Rillaboom, Thwackey
Types
Grass
Dynamax
Yes
Candy
Candy XL XL Candy

How to catch

Eggs
1 km
Field research
Catch 10 Grass-type Pokémon

Top ranked

Gigantamax Rillaboom
#6 Grass Max Scratch
Moderate
Stardust ~475,000
XL Candy ~296 Unfarmable. Bank Rare Candy XL.
Buddy walking distance ~1,184 km

Costs assume Gigantamax specimen, Level 20 → 50.

15 Attack ideal. Any decent IVs work.

Best current channels: Eggs, Field research.

Dynamax Rillaboom
#9 Grass Max Scratch
Moderate
Stardust ~475,000
XL Candy ~296 Unfarmable. Bank Rare Candy XL.
Buddy walking distance ~1,184 km

Costs assume Dynamax specimen, Level 20 → 50.

15 Attack ideal. Any decent IVs work.

Best current channels: Eggs, Field research.

Never convert regular Candy to XL. The 100:1 rate is a trap. Bank Rare Candy XL instead.