While not a "spike," it is often used in "hack-and-squirt" methods to kill trees from the inside out. Product Options
20pcs Copper Nails for Killing Trees Stump Root 3.5 Inch Long Nail Spikes, Removal Spikes with 2 Pcs Steel, White Walmart - FortuneLane Go to product viewer dialog for this item. Frienda 20 Pcs Copper Nails for Killing Trees eBay - m.waggan Go to product viewer dialog for this item. Spike 20P Herbicide - 25 lb | Bag (25 lb) DoMyOwn.com Go to product viewer dialog for this item. where to buy spike tree killer
Yiemeen 15Pcs Copper Nails Tree Stump Killers Hardware for Killing Trees Removing Stump Walmart - YIEMEEN Co., Ltd Go to product viewer dialog for this item. While not a "spike," it is often used
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): A powerful professional-grade granular herbicide used for long-term brush and tree control.