Lawn, Tree, & Shrub Health
Lawn, Tree, & Shrub Health
On crabapples, cedar apple rust starts as rust colored spots on the leaves which may eventually infect the entire leaf, causing premature leaf drop.
Dogwood anthracnose attacks native flowering dogwoods. Kousa dogwoods (aka “oriental” or “Korean”) are less susceptible.
Diplodia tip blight affects mostly pine, but is known to also infect spruce and fir. It attacks the newest shoots on the tip of branches, causing them to wilt and die back.
Verticilium wilt is a soil borne disease that enters the tree through the roots. It affects primarily maple trees, but may also affect viburnums, tulip tree, ash, elm and smoketree.
Rhizosphaera needle cast is a disease affecting spruce, some fir species, pine, and some cedars. A closer look at infested needles will reveal black spots along the needles.
Fire blight is a serious bacterial disease of crabapples, hawthorn, mountain ash, and pear. A close look at the bark may reveal “bacterial ooze” which is signs of the disease that has spread through the tree.
Apple Scab survives from year to year in the fallen leaves and twigs. This disease affects the leaves, flowers, fruit, and twigs of crabapples, mountain ash, firethorn, and pear.