Artichokes, beans, celery, cotton, Fuggle hops, lettuce, oats, peas, rice, rhubarb, rye, seed potatoes, soybeans, spinach, sugarcane, tomatoes, blueberries, cherries, grapes, grapefruit, Italian prune, lemons, navel oranges, Orlando tangelo, strawberries, and certain grasses. Do not combine with alkaline sprays (lime sulfur).