For year round control of deer, rabbits, elk, moose, hares, voles, squirrels, chipmunks and other herbivores Once mixed makes 4 quarts of ready to use product Treats over 400 plants/seedlings 1 foot high. Rainfast in 24 hours. Application frequency: Active growing season (2-4 weeks), Dormant Season (3-6 months). Bulbs (spray or dip before planting). OMRI listed (Organic Materials Review Institute) for Organic Use. Plantskydd's 1 pound wettable powder mixes to make 1 gallon of liquid product for use on flowers, trees, shrubs, and other landscape foliage. Plantskydd has been proven effective for year-round control of deer, rabbits, elk, moose, hares, voles, squirrels, chipmunks, and other herbivores. Rain resistant in 24 hours after spraying. Protects over 900 plants 1 ft high. During the growing season, apply every 2-4 weeks. During dormant, or winter months apply every 3 months (will last up to 6 months).Active ingredient: Dried Blood 100% (porcine and/or bovine). Wettable Powder will last 5 years in its original package. Tightly re-seal unused powder and store in a cool, dry, dark location. Keep from freezing. Keep children and pets out of reach. OMRI listed for organic use. Plantskydd was originally developed for commercial forest planting in Sweden, now produced in the USA. Plantskydd also acts as a foliage feed fertilizer on many plants.