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Osmocote 18-6-12 Slow Release Fertilizer, 8-9 month

In stock
SKU
18612
$141.91

A single application lasts the entire season!

This slow-release Osmocote fertilizer features an 18-6-12 formulation. Multiple layers of polymeric resin encapsulate the water-soluble nutrients in this fertilizer. This bag contains 50 pounds of fertilizer.

Osmocote 18-6-12 Slow-Release Fertilizer is excellent propagation and fall feeding. Its 3:1:2 ratio makes it ideal for greenhouse and container nursery stock. The polymeric resin coating protects the nutrient core. When water vapor eventually penetrates this shell, it dissolves the core into the surrounding soil/media. See below for application rates.

This Osmocote fertilizer is the industry standard in controlled-release nutrition. Its unique blend of nutrients helps deliver bigger, greener plants. A single application lasts 8 to 9 months for an extended growing season in warmer areas!
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Product Information


Product Specs
  • Guaranteed analysis: Nitrogen (18%), phosphorus (6%), and potassium (12%)
  • Format: Granular
  • Bag weight (pounds): 50
Product Warranty Information

  • This product is covered under A.M. Leonard's exclusive 30-Day Down to Earth Guarantee. Click Here for more Details.
Product Features
  • Slow-release fertilizer
  • Granular format
  • Polymeric resin coating
Product Benefits
  • A single application lasts 8 to 9 months
  • Excellent for propagation and fall feeding
  • Ideal ratio for greenhouse and container nursery stock
  • Industry standard in controlled-release nutrition
  • Helps deliver bigger, greener plants
Product Shipping Weight
  • 50 pounds
Frequently Asked Questions
1. What kind of application rate is recommended for Osmocote 18 6 12 Slow Release Fertilizer?
The recommended application rate for Osmocote 18 6 12 Slow Release Fertilizer is 3 to 4 pounds per 100 square feet of soil or growing media.

2. Is Osmocote 18 6 12 Slow Release Fertilizer suitable for greenhouse and container nursery stock?
Yes, Osmocote 18 6 12 Slow Release Fertilizer is an ideal option for greenhouse and container nursery stock due to its 3:1:2 ratio which meets the nutritional needs of these plants.

3. How long can a single application of Osmocote 18 6 12 Slow Release Fertilizer last?
A single application of Osmocote 18 6 12 Slow Release Fertilizer can last for 8 to 9 months, providing an extended growing season in warmer areas.

4. Does the polymeric resin coating of Osmocote 18 6 12 Slow Release Fertilizer protect the nutrients?
Yes, the polymeric resin coating of Osmocote 18 6 12 Slow Release Fertilizer not only slowly releases the nutrients into the soil or growing media, but also protects the nutrient core from being washed away or leached out.

Additional Product Information
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