Grow a Garden Calculator – Pet Weight, Value & Mutation Tool (Roblox)
🌱 Grow a Garden Calc
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🎮 Roblox · Grow a Garden
Pet Value & Garden Calculator
Calculate pet harvest multipliers, weight bonuses, mutation values, and trade estimates for Grow a Garden on Roblox!
Supports all rarity tiers and mutations. Updated for latest game version.
6
Rarities
12+
Mutations
∞
Combos
Select your pet’s rarity and enter its stats to calculate harvest multiplier and trade value.
Pet Rarity
Mutations (select all that apply)
⚠️ Please enter a valid pet weight (greater than 0).
Effective Harvest Multiplier
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× base harvest rate
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Enter your base harvest amount and pet multiplier to see your total yield.
⚠️ Please enter valid harvest and crop values.
Total Harvest Value
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items
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Compare up to 4 pets side-by-side to find the best one for your garden.
Pet
Rarity
Weight
Base Mult
Eff. Mult
Rank
How to Use the Grow a Garden Calculator 🌱
Select your pet’s rarity — choose from Common through Mythical. Higher rarity = higher base multiplier. Mythical pets have 6× the base stat multiplier of Common pets.
Enter pet weight and level — weight is the primary stat determining harvest bonus. Higher weight = more crops per harvest. Level affects weight scaling at higher tiers.
Select active mutations — click all mutations your pet has. Mutations stack multiplicatively with your base weight bonus for a huge total multiplier.
Click Calculate — see your pet’s effective harvest multiplier, coin multiplier, estimated trade value tier, and a full stat breakdown.
Use Harvest Calc — switch to the Harvest tab to see your total yield for a full garden run given your pet multiplier.
Compare pets — use the Compare tab to input multiple pets and see which gives the best effective harvest multiplier.
Pet Weight, Mutations & Values Guide 🐾
In Grow a Garden, pets are your primary tool for maximizing your farm output. Understanding how weight, rarity, and mutations interact is key to building the most efficient garden possible.
Pet Rarity Reference
Rarity
Base Multiplier
Max Weight (approx)
Mutation Slots
Trade Value Tier
⬜ Common
1.0×
~100
0–1
Very Low
🟩 Uncommon
1.25×
~200
0–1
Low
🟦 Rare
1.6×
~350
1–2
Medium
🟪 Epic
2.2×
~500
1–2
High
🟨 Legendary
3.5×
~750
2–3
Very High
💖 Mythical
6.0×
~1200
2–4
Extreme
💡 Pro Tip: A Legendary pet with the Giant (×2.0) and Rainbow (×1.8) mutations has an effective multiplier of 3.5 × 2.0 × 1.8 = 12.6×. That’s better than an unmutated Mythical at 6.0×! Always prioritize mutations when trading — a heavily mutated Legendary can be worth more than a clean Mythical.
How Weight Affects Harvests
The effective harvest multiplier formula is approximately: Harvest Mult = Rarity Mult × (1 + Weight/100) × Mutation Stack. A pet with weight 300 on a Legendary base gives: 3.5 × (1 + 3.0) = 3.5 × 4.0 = 14× base harvest. Stack mutations on top of that for massive yields.
Frequently Asked Questions 🌸
What does pet weight do in Grow a Garden?
Pet weight directly scales your harvest multiplier. The heavier your pet, the more crops you collect per harvest. The formula is approximately: Harvest Multiplier = Rarity Mult × (1 + Weight/100). A Mythical pet with weight 800 and a Shiny mutation (×2.5) has an effective multiplier of 6.0 × (1 + 8.0) × 2.5 = 135× base harvest.
What are the pet rarities in Grow a Garden?
Rarities from lowest to highest: Common (1.0×), Uncommon (1.25×), Rare (1.6×), Epic (2.2×), Legendary (3.5×), and Mythical (6.0×). Event-exclusive tiers like Divine and Prismatic exist for limited events. Higher rarity means higher base multiplier, higher max weight, and more mutation slots.
What are mutations in Grow a Garden?
Mutations are random bonus traits pets can acquire. They multiply with your base stats — examples include Gold (×1.5 coins), Giant (×2.0 size/harvest), Rainbow (×1.8 all stats), Shiny (×2.5 rarity bonus). Mutations stack multiplicatively, so a pet with Gold + Giant + Rainbow is extremely powerful and valuable for trading.
How do I calculate the best pet for harvesting in Grow a Garden?
Calculate effective harvest multiplier: Rarity Mult × (1 + Weight/100) × all Mutation multipliers. Compare this number across your pets. Use our Compare tab to input multiple pets and instantly see which has the highest effective multiplier. Prioritize pets with multiple stacking mutations even if the base rarity is lower.