Garlic. No fertilizer or amendments. Just aerated the native soil and planted in October, and let the rain to do the watering. Weeded the area and laid down an inch of mulch. : Plants in the Classroom: Successfully Starting Seeds Oklahoma State University Ceramic Flower Pot Heater Heirloom Vegetable Garden Seed Starter Kit The Old Farmer's Almanac Store Fertilizer, General Purpose 20 20 20 Formula by Peters Professional