The purest form of Ascophyllum nodosum (Seaweed) can only be found in Essence. Our mineral rich kelp is formulated and designed to feed your plants below and above all season long. Essence naturally contains plant growth hormones. When used as a foliar spray, Essence provides available minerals that act as co-factors activating biochemical reactions in the plant cells. Due to Essence purest form, the fibrous material is an excellent source of organic matter and microbial food.