Wilt-Pruf Plant Protector is the safe way to reduce moisture loss when plants are under water stress due to winter kill, windburn, drought and transplant shock year 'round. Acts as a protective coating, holding in moisture on plant foliage and stems, substantially reducing water loss during times of plant stress. Protects valuable shrubs such as evergreens, hollies, boxwood, laurel and many other ornamentals. Long-lasting results. May be used for Christmas trees and wreaths. Organic, biodegradable, non-hazardous and non-toxic to eyes and skin. Active ingredients: pine tree resin.