Neudorff Organic Flowering Plant Food Organic fertiliser derived from natural raw materials. for healthy growth and magnificent blooms with natural long-term effects with mycorrhizal fungi for stronger plants contains soil revitalising microorganisms to stimulate life in the soil for all flowering plants including hydrangeas and bougainvilleas the raw materials contained in this product are subject to strict quality controls Application: Organic Flowering Plant Food is best mixed with soil directly in the hole when planting. Spread around existing stocks of plant and loosely work in with a hoe (5-10cm deep). Water well after application.