Kelp grows higher than even some of the Earthâ€™s trees. The teeming aquatic life that flourishes in a kelp bed has just as much diversity as that of a rainforest. Kelp Me Kelp YouÂ® is a seaweed extract derived from Ascophyllum nodosum and designed for use in organic gardening. FoxFarm’s product is a liquid concentrate that can be used for growing fruits, vegetables, gardens or flowers. Suitable for use in gardens, drip-irrigation systems or hydroponic applications. OMRI ListedÂ® and Registered CDFA Organic Input Material.