Maple-Birch Spike

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About this item COMPLETE TREE FOOD SPIKES: Lutz Ultra Citrus Spikes offer a balanced tree fertilizer spike formula tailored for trees and shrubs. With essential nutrients like Mang anese (20%), Combined Sulfur (16%), Ammoniacal Sulfur (4%) and Nitrogen (4%), these plant food spikes combat common deficiencies and promote lush growth in your garden. Show more