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 40 spikes
- 5-3-3 formula, with 3.2% manganese, 4.8% sulfur and 16% iron
- Place one spike for every 1 inch of trunk diameter in a circle around the tree dripline. For shrubs, one spike per 2 feet of plant spread, spaced around the 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
Leonard Iron Chlorosis Tree Spikes are high-quality, slow-release micronutrient supplements in easy-to-use spikes. These spikes are designed to fertilize trees and last for up to 12 months. They contain sulphur, which aids in the uptake of all macro and micronutrients.
2. What are the features of Leonard Iron Chlorosis Tree Spikes?
The Leonard Iron Chlorosis Tree Spikes have a 5-3-3 formula, with 3.2% manganese, 4.8% sulfur and 16% iron. They come with specially designed caps for easy insertion into soft soil with a small mallet to the feeder roots for more nutrient uptake and less waste. These spikes are sold in big boxes of 40 spikes or 10 spikes, and one application is enough for up to 12 months of slow-release fertilizing.
3. How to apply Leonard Iron Chlorosis Tree Spikes?
To apply Leonard Iron Chlorosis Tree Spikes, place one spike for every 1 inch of trunk diameter in a circle around the tree dripline. For shrubs, use one spike per 2 feet of plant spread, spaced around the dripline.
4. What are the benefits of using Leonard Iron Chlorosis Tree Spikes?
The benefits of using Leonard Iron Chlorosis Tree Spikes include easy application, long-lasting fertilizer, improved micronutrient uptake, and less waste. With just one application, your trees will be fertilized for up to 12 months.















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