Bloom & Root Natural Blood Meal Fertilizer 12-0-0, 4 Lbs is high nitrogen and iron to get your garden’s green on High nitrogen and iron combine to help nitrogen-needy leafy plants get their green on. Tied with feather meal for top nitrogen content ingredient, blood meal has the added bonus of naturally occurring iron to help your plants’ leaves stay green. Application of blood meal may also temporarily help prevent deer and rabbits from making a meal of your garden. Most commonly used for plants that have high nitrogen requirements, such as lawns, corn and green leafy vegetables. Not recommended for nitrogen-fixing plants such as beans, peas and alfalfa. Can be mixed with high carbon compost ingredients like shavings, straw and shredded twigs to encourage faster, more balanced decomposition. Often used to help repel deer and rabbits from gardens.