-Gro Tree & Shrub Fertilizer Spikes, 12-Pack a convenient and effective way to nourish your trees and shrubs. These spikes deliver essential nutrients directly to the roots, promoting healthy growth and vibrant foliage. Designed for ease of use, simply insert the spikes into the soil around your plants, and they will release nutrients gradually over time, reducing the need for frequent fertilizing. for maintaining the health of your garden's trees and shrubs, this 12-pack ensures you have enough spikes to cover multiple plants or larger areas. Enhance the vitality of your outdoor greenery with this reliable and easy-to-apply fertilizer solution. Model Number: 4851012