This natural, non-toxic product, derived from the resin of pine trees, has the unique ability to form a soft, clear flexible film on treated plants. This film protects plants from drying out, drought, wind burn, sunscald, winter kill, transplant shock and salt damage. WILT STOP™ also extends life of cut flowers and Christmas trees. Great for use, year around on deciduous trees, evergreens, shrubs, roses, transplants, vegetables, fruit. Concentrate: 25% Pinene.