How to Plant and Grow Garlic Fall Planting– Plant cloves in mid-autumn in a sunny location with well-drained soil. Set cloves root side down 4-6″ apart in rows 2′ apart, and cover with 2″ of soil. Spring Planting – Plant cloves as early in spring as soil can be worked, about the same time as onion sets. Spring planted garlic should be put in the ground the same way as in the fall. Read more here.