Planting in Flower Beds 1. Choose plants that still have a lot of buds. 2. When planting asters in the ground, lightly tease the roots apart as you would any transplant. 3. Asters prefer rich soil and a sunny position in the garden with at least a half day of sun. They need plenty of air circulation around the plant. 4. No need to fertilize during the fall season. 5. Water newly planted asters immediately after transplanting them. Asters like …