Neem Organics Neem Oil spray for plants is great to use on roses, flowers, houseplants, ornamental trees and shrubs, fruits and vegetables in and around the home and home garden. Regular foliar application of our Neem oil will ensure your plants remain healthy from seed to harvest. Easy spray application - this product may be applied with a trigger sprayer, hand-held, backpack, or hose-end Sprayers. Carefully read the label directions before use for optimal application. As with other oil-based products, time applications to early morning/late evening to minimize the potential for leaf burn. It is recommended that cold-pressed carrier oils be kept in a cool dark place to maintain freshness and achieve maximum shelf life.