A great All-Purpose wash--For greener and healthier plants! Just spray a fine mist on foliage and stems on indoor or outdoor plants and watch your plants flourish! Spray all plants once a month--for plants under stress spray once a week. Can be used on all houseplants and outdoor plants such as potatoes, tomatoes, cucumbers, grape vines to keep them healthy. Active ingredient .08% Akwaton, which is 99.99% effective against bacteria, fungi and spores.