- Control overwintering insects and eggs
- Non-toxic oils are safe to use around pets and family
In late winter, your trees may be dormant but, chores in the yard are not. Late winter and early spring when the temperatures are barely above freezing is the time to apply the best preventative for scale and mites: dormant oil. Dormant oil sprays are used on trees before the buds begin to swell and suffocate insects and their eggs nesting in branches. Using dormant oil on trees doesn’t completely eliminate the problem with these pests but it is the best way to cut off most of the population, leaving a simpler problem later in the season. It penetrates into the surface of the insect’s hard outer shell and suffocates it by not allowing any oxygen to get through.
Dormant oil solution is sprayed on all the branches of a tree or bush, it penetrates into the surface of the insect’s hard outer shell, and suffocates it by not allowing any oxygen to get through. Apples, crabapples, plums, quince and pears all benefit from dormant oil, as do gooseberry and currant bushes. Other trees and bushes don’t have any need for spraying of dormant oils, as they don’t often harbor the same pests, but it won’t hurt to do so if desired.
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