Toybox Values

Harvest Moon weather in Grow a Garden: which mutations it gives

Harvest Moon can give 1 mutation: Moonbeam (x15). A Carrot at its base weight (0.275 kg) sells for 20 Sheckles; with Moonbeam it sells for 300.
Data checked: Oct 15, 2026

It is listed with regular weather; its top multiplier ranks #59 of 109 weather types (tied with 5 others).

Facts

Groupregular weather (no group in the wiki)
Mutations it can give1
Highest multiplierMoonbeam (x15)
Chance wordingThe wiki says fruit can get the mutation
Top-multiplier rank#59 of 109 weather types (tied with 5 others)

The wiki does not mark a group for it, so it is listed here with the regular weather. No duration is given for Harvest Moon; for all weather the wiki says most last about 3 to 5 minutes, going by what players saw.

Mutations from Harvest Moon

MutationMultiplierCarrot sells for (Sheckles)
Moonbeamx15300

Worked example: a Carrot after Harvest Moon

SetupTotal multiplierSell value (Sheckles)
Carrot, no mutationx120
Carrot + Moonbeamx15300

Carrot base value 20 Sheckles at 0.275 kg. Value = base value x mutation multiplier x variant x (weight / base weight) squared, and mutations add up instead of multiplying. The wiki says some fruits pass through an extra value curve it does not publish, so in-game prices can differ.

Open the Carrot with Moonbeam in the calculator

All weather · All mutation multipliers · Sell value calculator

Questions

What mutation does Harvest Moon give in Grow a Garden?

Harvest Moon can give 1 mutation: Moonbeam (x15).

How much is a Carrot worth after Harvest Moon?

After Harvest Moon, a Carrot at its base weight (0.275 kg) goes from 20 Sheckles to 300 with Moonbeam (x15).

Is Harvest Moon the only weather that gives Moonbeam?

Yes, in the wiki's table only Harvest Moon gives Moonbeam (x15). Its top multiplier ranks #59 of 109 weather types (tied with 5 others).

Source: Grow a Garden Wiki pages Crop Mutations (rev 153516, Oct 13, 2026) for which weather gives which mutation, and Weather (rev 153029, Oct 3, 2026) for grow speed, chance wording and frequency. CC BY-SA 3.0. Weather and mutation names are the game's own; the wording is ours and no wiki images are used. Checked Oct 15, 2026. This is the original Grow a Garden, not Grow a Garden 2. Not affiliated with Roblox Corporation or the game developers.