It can also attack at the crown or base of plants and along the surface roots. Wooly Apple Aphid is common on Pyracantha, Crabapples, Apples, Cotoneaster and other plants. Unlike other insects where we have multiple control choices, Malathion is the only control for Wooly Apple Aphid. Several applications a week apart are necessary and be sure you soak the limbs, trunk and base of the plant. The only organic solution is to cut off or cut out the infected area.
Oil is a sufficant used for insect and disease control.
It has no nutrient value. Depending on the temperatures, the blades of grass will fry when coated with oil. The grass turns a golden brown instead of a rich green color. Buzz Bertolero is Executive Vice President of Navlet s Garden Centers and a California Certified Nursery professional. D , Pleasant Hill, California 94523.