Nelson Hibiscus and Flowering Tropical Plant Food In Ground Container Indoor Outdoor Granular NutriStar 10-4-12 (4 LB) PLANT FOOD: Hibiscus and All Tropical Plants food granular fertilizer featuring Nitrogen (10%), Phosphate (4%), and Soluble Potash (12%) with added minerals. Contains three sources of nitrogen, iron (4%), Magnesium (3%), Sulfur (5.5%) with higher Potassium for greener lush foliage, big and brighter blooms and strong roots and vines. FERTILIZER FOR VINES AND TROPICAL PLANTS: Excellent source of nutrients and minerals for in ground and container flowering hibiscus and all tropical plants including but not limited to: Texas Star Hibiscus, Texas Sage, Althea, Rose of Sharon, Tropical Hibiscus, Mallow Hibiscus, Confederate Rose, Ixora. PLANT FERTILIZER: Helps flowering plants to improve tolerance to dry weather conditions, in addition to promoting heavy blooms, strong, fast growing and healthy vines with lush tropical foliage. Apply monthly during the growing season. IMMEDIATE RESULTS: NutriStar works with the soil and the soil biology to provide your plants with the best nutrition at the right time and in the right amount. Your plants get an immediate boost upon application, coupled with lasting benefits that continue to feed. SUPERIOR QUALITY: The leading landscapers' choice for flowers for over 30 years. Nelson Plant Food builds products that are horticulturally correct for each type of plant. Extensive research is done to make sure that plants are fed correctly with each NutriStar or ColorStar product.