SunGro Horticulture SUGRADV1.0 1-Cubic Feet Advanced 4 Sunshine Mix for Plants Sungro horticulture advanced 4 sunshine mix The organic nutrient package provides a supplemental charge after three to four weeks Peat moss and coconut fiber retain water and nutrients for optimal plant growth This product weighs 24-pound Provide improved root aeration, drainage and develop strong, healthy root systems for maximum stem, flower and foliage growth