Extend the beauty of your garden to the rest of you landscape with Miracle Gro's Tree & 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 Tree & Shrub Plant Food Spikes 15-5-10 | Size 12 Pack