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 two merchant types, including the Sky Merchant and the Gnome Merchant.
Buy seeds from the shop when they restock, plant them, wait for them to grow, and earn profits.
This article contains the Sky Merchant shop in Grow a Garden, what it is, when it spawns, a wiki, and more in Roblox.
Sky Merchant in Grow a Garden

The Sky Merchant in Grow a Garden is one of two Travelling Merchants that can appear every 4 hours.
The other Travelling Merchant is the Gnome Merchant, who sells Gnome Crates (cosmetic items).
When the Sky Merchant spawns, it’s only available for 30 minutes before it disappears.
You can interact with him next to the Seed Shop.
Sky Merchant shop in Grow a Garden
Further reading
Aurora Borealis Weather Event in Grow a Garden