What is the fastest way to hatch eggs in Grow a Garden?

Stack multiple boosters: Incubator (2x speed), Heat Lamp (1.5x), Group Bonus (1.25x), Premium (2x), and VIP (3x). With all boosters active, you can reduce hatch times dramatically.

Grow a Garden Calculator | Free GAG Plant Value & Pet Calculator [2026]

Plant Value Calculator

Select a plant and apply mutations to calculate its final value. Mutations stack multiplicatively.

Filter by Category

Search & Select Plant

Selected Mutations (0)

Calculated Plant Value

Pet XP Calculator

Calculate the total XP needed to level your pet. XP formula: sum of (base_xp x level^1.5) for each level.

Select Pet

Current Level

Target Level

Total XP Needed

Egg Hatch Speed Calculator

Select an egg type and apply boosters to see how fast your egg will hatch.

Egg Type

Boosted Hatch Time

5m 0s

Pet Ability Calculator

Browse all pets and the mutations they can apply to your plants. Select a pet to see how its ability affects a specific plant's value.

Select Pet

Select Plant

All Pet Abilities Reference

Pet Weight Calculator

Calculate your pet's weight based on its rarity and age. Formula: base_weight x (1 + age x growth_rate).

Pet Rarity

Pet Age (days)

Estimated Pet Weight

16.0 kg

How to Use the Grow a Garden Calculator

Welcome to the most comprehensive Grow a Garden calculator available for Roblox players. This free tool is designed to help you maximize your garden's value, level up your pets efficiently, and understand every mutation multiplier in the game. Whether you're a beginner just planting your first Carrot or a veteran trading Cosmic Goldsparkle plants, this calculator has everything you need.

Plant Value Calculator

The Plant Value Calculator is the core feature of this tool. Select any plant from over 126 options across 26 categories -- from basic Seed Shop plants like Carrots and Strawberries to rare event plants from the Summer 2026 and Campfire Update. Then apply one or more of the 190+ mutations available in Grow a Garden. Each mutation has a specific multiplier (e.g., Goldsparkle at 500x, Cosmic at 240x, or Gold at 20x), and mutations stack multiplicatively. The calculator instantly shows the base value, each mutation's contribution, and the final calculated value.

Pet XP Calculator

Planning to level up your pets? The Pet XP Calculator uses the game's exact formula -- total XP = sum of (base_xp x level^1.5) -- to calculate the precise amount of experience points needed to reach any target level. Select from Common pets like Chickens and Dogs to Mythical creatures like the Golden Goose and Quetzal. The calculator shows XP needed per level and the estimated time based on typical XP gain rates.

Egg Hatch Speed Calculator

Eggs in Grow a Garden take varying amounts of time to hatch -- from 5 minutes for Common eggs to 240 minutes for Mythical eggs. The Egg Hatch Speed Calculator lets you stack multiple boosters (Incubator, Heat Lamp, Group Bonus, Premium, and VIP) to see exactly how fast your egg will hatch. Never waste time waiting again!

Pet Ability Calculator

Each pet in Grow a Garden can apply unique mutations to your plants. The Pet Ability Calculator shows every pet's special ability and its mutation multiplier. From the Goldfinch's incredible Goldsparkle (500x) to the Space Squirrel's Void Touched (135x), understand which pets are worth investing in. Select a pet and a plant to see exactly how much that pet's ability would boost your plant's value.

Pet Weight Calculator

Pet weight increases over time based on rarity. The Pet Weight Calculator uses the formula base_weight x (1 + age x growth_rate) to calculate your pet's current weight. Common pets grow fastest (0.5 growth rate) while Mythical pets grow slowest (0.15). Enter your pet's rarity and age in days to see its estimated weight.

Frequently Asked Questions

What is the Grow a Garden Calculator?▾

The Grow a Garden Calculator is a free online tool designed for the Roblox game "Grow a Garden" (GAG). It helps players calculate plant values with mutation multipliers, pet XP requirements, egg hatch speeds, pet abilities, and pet weight by age. It includes data for over 126 plants across 26 categories and 190+ mutations with accurate multipliers.

How do I calculate plant values with mutations?▾

Select your plant from the dropdown in the Plant Value Calculator tab, then click on one or more mutations to apply them. The calculator multiplies the plant's base value by each selected mutation's multiplier to give you the final value. For example, a Dragon Fruit (base 200) with a Gold mutation (20x) would be worth 4,000. Add a Rainbow (50x) mutation too and it becomes 200,000!

What are the rarest mutations in Grow a Garden?▾

The rarest and highest-value mutations include Goldsparkle (500x), Astral (365x), Stormbound (270x), Cosmic (240x), Abyssal (240x), AscendedChakra (230x), Contagion (205x), HarmonisedFoxfireChakra (190x), Stormcharged (180x), and Infernal (180x). These are extremely rare to obtain and make plants incredibly valuable for trading.

How does the Pet XP Calculator work?▾

The Pet XP Calculator uses the game's XP formula: total XP = sum of (base_xp x level^1.5) for each level between your current and target level. Each pet rarity has a different base XP per level. Select your pet, enter your current level and desired target level, and the calculator shows the exact XP needed along with estimated time.

What is the fastest way to hatch eggs?▾

Stack multiple boosters for maximum speed: Incubator (2x speed), Heat Lamp (1.5x), Group Bonus (1.25x), Premium (2x), and VIP (3x). With all five boosters active, you get a combined 22.5x speed multiplier. A Mythical egg that normally takes 240 minutes can hatch in approximately 10 minutes and 40 seconds with all boosters.

How do pet abilities affect plant values?▾

Certain pets can apply mutations to your plants, which multiply their base value. For example, a Goldfinch applies the Goldsparkle mutation (500x multiplier), while a Space Squirrel applies Void Touched (135x). Higher-tier and event pets generally apply more valuable mutations. Check the Pet Ability tab for a complete reference.

What are the highest value mutations in GAG?▾

The top 10 mutations by multiplier value are: Goldsparkle (500x), Astral (365x), Stormbound (270x), Cosmic (240x), Abyssal (240x), AscendedChakra (230x), Contagion (205x), HarmonisedFoxfireChakra (190x), Stormcharged (180x), Infernal (180x), and Mindbender (175x).

How is pet weight calculated by age?▾

Pet weight uses the formula: base_weight x (1 + age_in_days x growth_rate). Each rarity tier has different base weights (Common: 1 kg, Uncommon: 2 kg, Rare: 5 kg, Epic: 10 kg, Legendary: 20 kg, Mythical: 50 kg) and growth rates (Common: 0.5, Uncommon: 0.4, Rare: 0.3, Epic: 0.25, Legendary: 0.2, Mythical: 0.15).

Can I stack multiple mutations on one plant?▾

Yes! In Grow a Garden, plants can have multiple mutations stacked. The mutations multiply together with the base value. For example, a Coconut (350 base) with Gold (20x) and Disco (125x) would be worth 350 x 20 x 125 = 875,000. The calculator supports selecting any number of mutations.

Is this calculator updated for 2026?▾

Yes, this calculator is fully updated for July 2026 and includes all recent updates: Summer 2026 event, Campfire Update, Bizzy Bee Event 2026, Easter Event 2026, Buttercup Update, New Years Update, Christmas Update, and all previous events.

What is the Goldsparkle mutation?▾

Goldsparkle is the highest multiplier mutation in Grow a Garden, boasting an incredible 500x multiplier. It is applied exclusively by the Goldfinch pet. A Durian (15,000 base) with Goldsparkle would be worth 7,500,000!

How do combination mutations work?▾

Combination mutations stack multiplicatively, not additively. If a plant has a base value of 100 and you apply Gold (20x) and Rainbow (50x), the final value is 100 x 20 x 50 = 100,000. The calculator handles all combinations automatically and shows the step-by-step breakdown.