For a limited time, you can buy Miracle-Gro Tree & Shrub Fertilizer Spikes (12 pk.) for only $5.40 (46% off). Get FREE Super Saver shipping on orders of $25 or more (or with Amazon Prime).
If you prefer, you can order this Miracle-Gro product from Walmart for the same price with FREE in-store pickup.
Extend the beauty of your garden to the rest of your landscape with Miracle-Gro Tree and Shrub Plant Food Spikes. Use once a season, in the Spring and Fall, for lush, beautiful foliage and vibrant color on all deciduous, evergreen, and flowering trees and shrubs. These easy-to-use spikes provide nutrition directly to the roots, where trees need it the most, and includes natural ingredients. Miracle-Gro Outdoor Tree Spikes 3lb
Be sure to check out all the Amazon deals that I've been posting for some great deals
Please note: Amazon prices tend to change quickly, so be sure to check the price before you buy.