Definition of undergrowth for Students. : low growth on the floor of a forest that includes shrubs, herbs, and saplings.
From Organic Gardening Magazine, July/August 2000 Issue. Miracle-Gro is a synthetic fertilizer that contains ammonium phosphate and several other chemicals that can be toxic to your soil and plants. It is prohibited from use in certified-organic farming.
Miracle-Gro 1002851 Fruit and Citrus Tree Fertilizer Spikes. This fertilizer also is great for citrus trees and other fruit trees. It is mostly used on young trees that need a boost in growth and it does just that and more including delivering nutrients to the roots of trees, especially in times of great need.