Plantskydd® Ready-to-Use Animal Repellent is used by nurseries, landscapers and forest companies to protect plants, trees, flowers, ornamentals and shrubs from damage by deer, rabbits, elk and moose. Contains built-in fertilizer to promote plant growth. 1.32 gallon. Active ingredient is dried blood (porcine and/or bovine) and is recognized by the EPA as an environmentally safe ingredient. Listed by the Organic Materials Review Institute (OMRI) for organic growers. Works by emitting an odor that animals associate with predator activity, repelling the animal before it nibbles on plants. Provides plants with up to six months of protection over winter on ornamental shrubs and three months on most other succulent broadleaf plants. The odor is not unpleasant to humans. Good Coverage: 1.32-gal. container treats 400-600 plants.