Fertilize and forget it! One application will feed those trees up to 12 months!
High quality, slow release micronutrient supplements in easy to use spikes! Spikes contain sulphur which aids in the uptake of all macro- and micronutrients.
Stakes have specially designed caps so they are easily inserted into soft soil with a small mallet to the feeder roots for more nutrient uptake and less waste. Sold as a big box of 40 stakes or 10 stakes. One application lasts up to 12 months!
- Box of 10 spikes
- 8-10-10 formula, with 3.2% manganese, 4.8% sulfur and 3.3% iron
- Place one spike for every 1 inch of trunk diameter in a circle around the tree dripline

- This product is covered under A.M. Leonard’s exclusive 30-Day Down to Earth Guarantee. Click Here for more Details.
- Up to 12 months of slow release fertilizing
The General Purpose Tree Spike is an excellent option for gardeners and landscapers because it provides up to 12 months of feeding for trees, is easy to use and contains slow release micronutrients.
Does the General Purpose Tree Spike contain any sulphur?
Yes, the General Purpose Tree Spike contains sulphur which assists in the uptake of all macro and micronutrients.
How many spikes are included in a box of General Purpose Tree Spike?
The General Purpose Tree Spike is sold in two package options. One box includes 40 spikes and the other includes 10 spikes.
How many spikes should be used for each tree?
For best results, it is recommended to use one spike for every 1 inch of trunk diameter in a circle around the tree dripline.















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