Grow A Garden 2 Pets
Rainbow Big Unicorn
Rainbow Big Unicorn is a mythic pet in Grow A Garden 2.
Overview
Rainbow Big Unicorn combines the Big size and Rainbow color on the Mythic pet that doubles Rainbow-mutation odds, the most effective form of Unicorn for that purpose. Landing both rare rolls on one pet makes this copy harder to obtain than a plain Big or plain Rainbow copy.
How to get Rainbow Big Unicorn
Rainbow Big Unicorn is the Big and Rainbow form of Unicorn. It can appear as a rare wild map spawn or come from landing both the big and rainbow rolls on a Unicorn, but there's no dedicated egg for the combo and the exact odds aren't documented, so most owners trade for one.
| Source | Chance | Cost | Obtainable |
|---|---|---|---|
| Map spawnWild | Rare (unknown) | 12,000,000 | Yes |
Ability & mechanics
It doubles the chance for plants and fruit to turn Rainbow. The combined Big and Rainbow forms increase that effect beyond either variant alone.
- Ability
- Rainbow chance boost
- Target
- Plants and fruit
Rainbow Big Unicorn variants
This pet comes in 6 forms in Grow A Garden 2 (Normal, Big, Mega, and their Rainbow versions). Bigger and Rainbow forms trade for more; the multiplier below compares each form’s value to Normal.
| Form | Value | vs Normal |
|---|---|---|
 Unicorn | ~9.9 | 1.00× |
 Big Unicorn | ~2.3K | 234.65× |
 Mega Unicorn | not tracked | - |
 Rainbow Unicorn | ~2.8K | 281.82× |
 Rainbow Big Unicornthis page | not tracked | - |
 Rainbow Mega Unicorn | not tracked | - |
Trading Rainbow Big Unicorn
It trades above a plain Big or plain Rainbow Unicorn, since the combined variant requires two separate rare rolls to exist. It is held by farms built around Rainbow-mutation income instead of traded for other pets.
History
Rainbow Big Unicorn was added to Grow A Garden 2 on June 12, 2026.
Related Grow A Garden 2 pets
Rainbow Big Unicorn FAQ
What is Rainbow Big Unicorn in Grow A Garden 2?
Rainbow Big Unicorn combines the Big size and Rainbow color on the Mythic pet that doubles Rainbow-mutation odds, the most effective form of Unicorn for that purpose. Landing both rare rolls on one pet makes this copy harder to obtain than a plain Big or plain Rainbow copy.
How do you get Rainbow Big Unicorn in Grow A Garden 2?
Rainbow Big Unicorn is the Big and Rainbow form of Unicorn. It can appear as a rare wild map spawn or come from landing both the big and rainbow rolls on a Unicorn, but there's no dedicated egg for the combo and the exact odds aren't documented, so most owners trade for one.
What rarity is Rainbow Big Unicorn?
Rainbow Big Unicorn is Mythic rarity in Grow A Garden 2.
What is the chance of getting Rainbow Big Unicorn?
Rainbow Big Unicorn has a 0.71% map spawn chance in Grow A Garden 2.
Is Rainbow Big Unicorn a good trade in Grow A Garden 2?
Rainbow Big Unicorn is a high-value pet, so it holds up well in trades. Only accept offers that match or beat its value.