All Season Horticultural and Dormant Spray Oil is a self-emulsifying spray oil composed of superior highly mineral oil that may be used during all seasons, at the dormant stage (no leaves), delayed dormant stage (green tip stage), and the growing seaons as spray to control overwintering eggs of insects such as mealybugs, aphids, leafminers and other listed insects. For use on fruit and shade trees, shrubs, ornamentals, vegetables and roses.