Growing Asters In Containers - How To Care For Asters In A Pot
Feb 23, 2021· A 1 to 2 inch (2.5 to 5 cm.) layer of mulch will help with moisture retention. Feed asters monthly throughout the growing season. Alternatively, mix a small amount of slow-release fertilizer into the potting mix at planting time. Remove spent blooms as soon as they wilt. Otherwise, the plant will go to seed and blooming will rapidly decrease.