Jobe's Organic Spikes Vegetables Root Feeder provides your vegetable garden with the natural nutrients it needs to grow abundant and strong. Start each season off right with pre-measured, mess-free spikes, and nourish your plants at the root with a slow-release fertilizer – up to 8 weeks of nutrition. Fertilizer Analysis (N-P-K): 2-7-4 Enjoy maximum convenience and hassle-free gardening; no measuring or mess to worry about. With Jobe's Organic Spikes, you can give your garden the nutrition it needs without the headache.