“Their research indicates that aster yellows are the primary disease concern.”

“Disease problems can include powdery mildew, Botrytis blight, aster yellows, leaf spots, viruses and foliar nematodes.”

“A plant with aster yellows develops weak, yellowing leaves and twisted or distorted stems and flowers.”

“Sow annual flowers such as asters, cosmos, zinnias and marigolds as soon as the frost has passed and the air begins to warm up.”

“Vegetable harvest coincides with bright autumn foliage, chrysanthemums, asters and sedum.”

“I tend to grow them with grasses and similar prairie plants such as silphium, tradescantias, helleniums and asters.”