Miracle-Gro Fertilizer Spikes for Trees and Shrubs, 12 Pack (Not Sold in Pinellas County, FL) Balanced feeding for all deciduous trees and shrubs Use once a season - Spring and Fall Promotes lush beautiful foliage Special blend of nutrients released directly into the root zone to feed trees and shrubs Contains 12 spikes Balanced feeding for all deciduous trees and shrubs Use once a season  spring and fall Analysis: 15-5-10