Jackson and Perkins Dynamite™ Select Rose Fertilizer feeds roses for the entire season--and you only have to use it once! Dynamite's innovative time-release formula ensures a steady delivery of nutrients to your roses all season long. You'll observe healthier plants, more vigorous growth, and of course, full and splendid blooms. Dynamite features a broadcast rate of 4 tablespoons per square foot. So you can nourish 11 five-gallon rose plants or 15 three-gallon plants with just one bottle! Each bottle has a net weight of 2 pounds--enough for a 20-square-foot area. Its formula is 14-5-10 (nitrogen-phosphorous-potassium). It also includes Calcium 1%, Magnesium 2.75%, Sulfur 4.56%, Iron 1%, Manganese .80%, and Zinc .06%. Dynamite Select Rose Fertilizer is made in the USA. Enjoy a 60-day Limited Manufacturer's Warranty!