Florikan 17-5-11 Total Controlled Release Fertilizer, 50 Pound Bag - 5 to 7 Month 100% polymer coated fertilizer Formulated for woody ornamentals and trees but can be used on all other plants 17-5-11 formula, 5 to 6 month release time The 17% Nitrogen content is 8% nitrate nitrogen, 9% ammoniacal nitrogen In landscape, 9 to 14 lbs per 1000 sq. ft. - In potting mix, 9 to 14 lbs per cu. yd.