Roots Plant Saver 4-7-4 is a premium granular straight fertilizer designed specifically for planting and transplanting flowers, trees and shrubs. This product features organic sources of nitrogen for long-term feeding and improved soil health, as well as Potassium Sulfate for immediate Potassium availability to the plant along with the benefit of a small amount of Sulfur. This fertilizer also provides beneficial rhizosphere bacteria, mycorrhizae, kelp meal and humic acids to boost both plant and soil health, along with 3% Fe (Iron), .7% Mn (Manganese), and 3% Mg (Magnesium) to address micronutrient deficiencies.