Grey Mouse in Grow a Garden: Legendary pet, egg odds and ability
Facts
| Rarity | Legendary |
|---|---|
| Obtainable now (wiki) | Yes |
| Added | May 17, 2025 (Blood Moon Event) |
| Hatches from | Mythical Egg (36%) |
| Abilities with numbers | Whisker Wisdom, Scamper |
Where Grey Mouse hatches and the odds
| Egg | Egg price | Hatch time | Hatch chance | Eggs on average (100 / chance) |
|---|---|---|---|---|
| Mythical Egg | 8,000,000 Sheckles or 119 Robux | 5 hours 6 minutes 40 seconds | 36% | 2.8 |
Eggs on average is 100 divided by the hatch chance. It is an average over many eggs, not a promise that the pet comes within that many.
Grey Mouse abilities
| Ability | Stat | Level 1 | Level 100 | Change per level | Limit |
|---|---|---|---|---|---|
| Whisker Wisdom | Cooldown | 603 s | 15 s | −8 s | min 15 s |
| Amount | 500 | 1,292 | +8 | – | |
| Scamper | Chance | 12% | 21.9% | +0.1% | – |
Level 1 and level 100 are calculated here with the wiki's own ability formula: base value plus the change per level, held inside the limit. Stat names follow the wiki's data; the effect itself is described on the wiki page linked below.
Related pets
- Brown Mouse: also hatches from the Mythical Egg
- Squirrel: also hatches from the Mythical Egg
- Red Giant Ant: also hatches from the Mythical Egg
- Grizzly Bear: another Legendary pet
All Grow a Garden pets · Egg odds and prices · Grow a Garden
FAQ
How do I get Grey Mouse in Grow a Garden?
Grey Mouse hatches from this egg: Mythical Egg (36%). The wiki marks it as obtainable.
What are the ability numbers of Grey Mouse?
Grey Mouse has the ability Whisker Wisdom: Cooldown 603 s at level 1 and 15 s at level 100; Amount 500 at level 1 and 1,292 at level 100. It has 2 abilities with numbers; the abilities table on this page lists all of them.
How many eggs does it take to hatch Grey Mouse?
Grey Mouse: Mythical Egg 36%, about 2.8 eggs on average (100 divided by the chance). It is an average, not a guarantee.
Source: Grow a Garden Wiki Grey Mouse (rev 153497), Module:Passive/Data (rev 153487), and the pages of the eggs above. CC BY-SA 3.0. Numbers were restructured and some were calculated here; the wording is ours and no wiki images are used. Original Grow a Garden, not Grow a Garden 2. Checked Oct 15, 2026.