Some insecticides can kill beneficial insects or natural enemies of the targeted plant pest. These pesticides can interfere with the reproduction of natural predators and their ability to locate and ...

Q: Do you prefer neem oil or horticultural oil when spraying fruit trees? A: Horticultural oil is used for spraying trees and shrubs when leaves are absent during the winter. Horticultural oils, ...

For gardeners seeking a natural way to manage pests without turning to harsh chemicals, horticultural oil is a quiet workhorse. This lightweight spray, made from highly refined mineral oils or ...

Q: Are dormant oil and horticultural oil the same? Could I use it to treat the white stuff on the leaf undersides of my basil? N.F., Sugar Land A: Horticultural oil is a general term for petroleum- or ...

When applied directly to pests, horticultural oils interfere with respiration, causing insects to suffocate and die. These oils can also kill beneficial mites and cause leaf injury to some plants, and ...

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Tiny pests can quickly damage hydrangeas long before they're noticed, but one common garden treatment may help stop an ...

Lightweight horticultural oils, such as Summit’s Year-Round® Spray Oil, control scale by coating and smothering pests rather than relying on harsh chemistry ...