While Aster yellows is more prevalent in the Midwest, it’s also here in southwestern Pennsylvania and can be confusing to ...

Don’t confuse them with the similarly-named, unrelated, larger and clear-winged lacewings, which are beneficial predators.

The disease affects the plant’s growth, development, and ability to store nutrients and can survive in the crown and roots of infected perennial plants. Aster yellows spreads more vigorously in ...