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Sprays containing bifenthrin, cyfluthrin, horticultural oil, lambda cyhalothrin, malathion, neem oil.
Bug Repellents for Roses Home Guides SF Gate. Winter maintenance includes spraying the ground around rose bushes with an insect-and-disease formula or horticultural oil. The insect-and-disease formula is used again in late winter to spray both.
Rose Pests and Spraying (for Northeastern US gardeners) by Mark Huss Introduction. This article is primarily about spraying roses to prevent disease pests and deter insect pests. These sprays are generically called"pesticides." I first discuss the safety issues that anyone who sprays should be aware of. Use as needed by spraying on leaves. Good coverage is important: Wet leaf surfaces to the point of drip.
Soap Spray – Mix ½ teaspoon mild dish soap and 1 teaspoon cooking oil in a 1-quart sprayer filled with water. Spray liberally over entire plant.