How do you grow watermelons in sims free build?

To grow watermelons in Sims FreePlay, first, you need to unlock the Gardening hobby by completing the "Growing Up" quest. Once unlocked, you can purchase a gardening plot from the Home Store. Plant watermelon seeds, which can be found in the gardening section, and wait for your Sims to tend to them. After a few in-game hours, the watermelons will be ready for harvest!