BONIDE Rose Shield™ Systemic Rose & Flower Drench
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Systemic Drench provides up to 6 weeks of both insect and disease protection. Rose Shield™ Drench can be mixed and poured around the base of the plant. It works by penetrating the roots and spreading up through the plant into the foliage. One 40 oz container can treat up to 20 roses. This product controls Japanese beetles, borers, aphids, black spot, powdery mildew and many other listed insects and diseases.