OMRI Certified Plant Growth Soil Health. Organic Kelp Fertilizer – 1 Quart. At, we prioritize your trust by providing top-tier organic seaweed fertilizer products. Expiration Date: Organic Kelp Fertilizer Unit Quantity: 1 Quart Compatible Plant Type: All Purpose,Garden Plant,Lawn Ingredients: Seaweed Extract,Ascophyllum Nodosum.