Naturally control insects! Bonide's Pyrethrin 8 oz. Garden Insect Spray is a natural option that uses the active ingredient Pyrethrin (derived from African Chrysanthemum) and can be used until the day of harvest. Protect your garden, lawn, shrubs and flower beds from insect damage. Pyrethrin Garden Insect Sprayis safe for most delicate ornamentals, but is still strong enough to keep your garden safe from insect pests. Just mix in 1 to 4 teaspoons per gallon of water to eliminate an array of pests. Not for sale in CA, DC, SD.