Expert Gardener Rose Plant Food Fertilizer 12-6-10, 4 lb.

Expert Gardener Rose Plant Food Fertilizer 12-6-10 . 4 lb. . contains a slow release nitrogen formula that feeds for up to 3 months. In addition to customized macronutrient levels of Nitrogen . Phosphorous . and Potassium this fertilizer also contains a customized mix of micronutrients such as Calcium . Magnesium . Sulfur . Iron . Manganese and Zinc. Micronutrients are essential elements every plant needs but are used by the plants in smaller amounts than the NPK macronutrients and are critical to overall plant health.