Espoma 17 lb. 12-0-0 Blood Meal. It is dried blood, pure dried blood with no additives or fillers. Ideal for organic gardening, this safe source of organic nitrogen naturally produces more vigorous plants with richer, greener leaves. A time-proven remedy for sickly plants, it is also an ideal supplement for annuals and perennials. Approved for organic gardening. Nitrogen 12 %. Derived From Dried Blood Produced From The Blood Of Beef And Pork.