Jobe's Evergreen Tree Fertilizer Spikes comes in a box of 15 spikes. How many you use depends on the trunk diameter or shrub height. Measure trunk diameter one foot above ground level. For shrubs, use one spike per three feet of height. Refer to the product label for the number of spikes to use.
Jobe's Evergreen Tree Fertilizer Spikes should be evenly spaced in a circle along the tree’s dripline.
Jobe's Evergreen Tree Fertilizer Spikes are only meant for use around ornamental trees and shrubs.