Little harm is done

Scattered leaves and branches of two ‘Silver Cloud’ redbuds (Cercis canadensis ‘Silver Cloud’) and a blackgum (Nyssa sylvatica, below) are covered by the finely spun webs of fall webworms. Every day the webs grow, and the tiny worms devour leaves as they progress through the tree. Commonly available insecticides provide immediate control of the worms,…