Grey Mouse �?Grow a Garden

Mythical

Grey Mouse value, weight class, egg source and hatch time in Grow a Garden. Free, updated within 48h of every event.

Rarity

Mythical

Egg source

Mythical Egg

Hatch time

307 min

Trade value

Community estimate pending

Grey Mouse weight class

Like all Grow a Garden pets, Grey Mouse's class is set by its weight at Age 1 (hatch): Huge at 5–7 kg, Titanic at 7–9 kg, Godly at 9–10 kg, and Colossal at 10 kg or more. Enter your hatch weight below to check.

Pet Weight Calculator

Enter your pet's current weight and age. Use Age 1 to check hatch weight directly. We back-calculate the hatch weight to give the class, plus its max weight at Age 100.

Weight (kg)

Age

Small< 1 kg

Normal1 – 5 kg

Huge5 – 7 kg

Titanic7 – 9 kg

Godly9 – 10 kg

Colossal≥ 10 kg

Tier is set by the pet's weight at Age 1 (hatch). Thresholds cross-checked 2026-06-29 across the fandom community list, growagardencalculator.ca and gamecalc.net: Huge 5, Titanic 7, Godly 9-9.99, Colossal 10+. Per-pet weightTiers in pets.json are a different dimension (adult cumulative weight) and are NOT used for tier classification.

Related pets

Brown Mouse

Red Fox

Red Giant Ant

Grey Mouse data combines in-game data with community estimates �?a strong guide, not guaranteed. GAG Tools is fan-made and not affiliated with Roblox or the developers of Grow a Garden.