Native Neem Organic Neem Tree Granules 500g Plant Growth Promoter BioGro Certified Organic Native Neem Organic Neem Tree Granules have been used as a natural insecticide for thousands of years. This is a natural and organic product that prevents and kills nasty insects in the garden. If used at 4-6 weekly intervals you will very rarely need to use any other sprays. Good for all soils, all crops and all seasons. It works primarily by increasing the humus content of the soil. It is an all-purpose organic soil conditioner, ideal for low organic matter soils. Native Neem organic certified tree granules are the residue left from the first extraction process after the kernels of the seeds are crushed to extract the oil.