In Grow a Garden, the Travelling Merchant is a type of NPC that offers valuable goods for a limited time.
These merchants appear every four hours and remain available for just 30 minutes.
There are multiple merchant types, including the Sky, Gnome, Honey, and others.
Each of them offers a distinct set of items, from gear (e.g., Sprinklers) to cosmetic items.
This article contains the Mutation Spray Merchant shop in Grow a Garden, what it is, when it spawns, a wiki, and more in Roblox.
Mutation Spray Merchant in Grow a Garden

Name
Mutation Spray Merchant
Released
19 July 2025
Location
Next to the seed shop
Appears
A chance to appear every 4 hours
Next Appearance
Calculating…
Duration
30 minutes
Description
Sells limited Mutation Sprays
The Mutation Spray Merchant in Grow a Garden is one of many Traveling Merchants that can appear every 4 hours.
In some cases, a Travelling Merchant may be bugged and won’t show up.
When the Mutation Spray Merchant spawns, it’s only available for 30 minutes before it disappears.
You can find and interact with the merchant next to the Seed Shop.
Summer Seed Merchant shop in Grow a Garden
Mutation Spray Wet
50,000,000 Sheckles
Mutation Spray Windstruck
50,000,000 Sheckles
Mutation Spray Verdant
50,000,000 Sheckles
Further reading
Grow a Garden Summer Seed Merchant Shop