All-purpose and ready to use, AO PlantGrow works on all types of plants, indoor and out. Spray our blend of ocean micronutrients liberally on foliage and directly onto the soil surface, and you will see fast results in robust, healthy greens & flowers. Use for houseplants, potted flowers & herbs, and on fresh cut flowers. AO PlantGrow is the high concentration plant nutrition supplement that is easy to use, 100% natural & non-toxic to nourish all of your plant life. Safe for use in all areas of the home.