The world renowned SuperThrive is a billiant plant tonic and a general growth promoter. Plants require more than one vitamin for maximum performance. SuperThrive is full of vitamins & hormones. SuperThrive is not a fertiliser but an additive. Use SuperThrive on any plant at any stage of growth or flower. On indoor plants it brings out more new flower and leaf buds. On outdoor plants and bare rooted plants it starts new root and foliage action. It helps develop earlier and larger flowers.