Seaweed Plant Food (0.5 - 0 - 0.5) Kelp grows higher than even some of the Earth'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 You® is a seaweed extract derived from Ascophyllum nodosum and designed for use in organic gardening. Our product is a liquid concentrate that can be used for growing fruits, vegetables, lawns, gardens, or flowers. Suitable for use in gardens, drip-irrigation systems, or hydroponic applications. OMRI Listed® and Registered CDFA Organic Input Material. Garden Tip: Apply 2 to 3 times during early spring and twice again after fruit appears.