Ready to use Houseplant Defender has a unique blend of safe physical control surfactants. Used on edible & ornamental plants its unique method gives excellent control without the use of pesticides. Controls a wide range of pest species including whitefly, aphids & red spider mite. Produced & encourages healthy, vibrant houseplants & also encourages the growth of flowers. Helps to control/prevent, with regular use, powdery mildew by physical washing to remove active mildew spores from foliage. Safe for bees. Harvest next day.