When it comes to plant benefits, seaweed is a powerhouse. It's been used on plants for better growth by gardeners around the world. 

Ocean to Garden
BioWeed harnesses the benefits of seaweed in a cold-processed formulation designed to work with all fertilizers to promote vigorous growth. From prolific root development to robust growth to larger flowers and fruits, BioWeed provides the supplemental boost you need for your plants. Can be used in prepared soil/soilless mixes and coco blends.

Also works great as a foliar spray!