General Organics BioWeed® is a plant and soil vitality booster featuring a natural blend of cold processed seaweed that encourages thriving growth of roots, stems, and foliage. BioWeed works in harmony with General Organics BioThrive and all other fertilizers. General Organics provides gardeners with a superior line of plant foods and supplements. Each product in the “GO” line enables you to enrich your garden, your life, and the planet. Our commitment is to provide simple and innovative products with unsurpassed quality. This product contains no added microbes.