Monterey 70% Neem Oil 16oz New ready-to use (RTU) formulation for organic gardening. Has both insecticidal and fungicidal properties for control of black spot, powdery mildew, rust, spider mites, aphids, whiteflies and more. For use on roses, flower, houseplants, ornamental trees and shrubs, fruit and nut trees, and vegetables. Can be used in and around the home. OMRI Listed.