High K 12-14M

All the potassium your plants need – all year long










Give your perennials the potassium they need with Osmocote® Exact High K 12-14M. Ideally suited for plants such as cyclamen, violets and primulas, plus for use in nitrogen-rich irrigation water. The nutrient release matches the plant’s need perfectly. Osmocote® Exact High K works well in combination with Peters® Professional water-soluble feeding. The recommended rates should be adapted, depending on the amount of water-soluble feeding. Can be used in combination with Osmocote® CalMag when an addition of calcium and magnesium is recommended. This includes soft water cultures or cultures that demand more nitrogen during the first months of growth. And for crops with high iron demand, this product can be combined with Osmocote® Iron.

  • Nutrients released over 12 to 14 months

  • Compact plant growth thanks to high potassium source and low phosphorus

  • Healthy root development and branching through high-efficiency nutrient release

  • Excellent leaf shine and color, thanks to the full trace element package and optimized iron release

Normal feedingHeavy feeding
Recommended application rates for Osmocote® Exact Standard granules in g/l:
Container nursery stock4-5 g/l5-6 g/l
Perennials-3-5 g/l
Normal feeding
Heavy feeding

Add maximum 0.5 g/l NPK starter fertilizer in combination with Osmocote® Exact High K. Contact your ICL SF advisor for tailored recommendations for your crops. How to calculate the granules per pot or container at the application rates above: - Granule application - 3-liter pot volume - 5 g/l Osmocote® Exact High K Total = 15 g/pot Attention The recommended rates above are based on unfertilized substrates. These are general recommendations. Adjust for specific situations, such as use in tunnels or greenhouses, or specific climate conditions. Contact your ICL Specialty Fertilizers advisor for more detailed advice. Trial first on a small scale before changing the rate, application or any other variables. As circumstances can differ and as the application of our products is beyond our control, ICL Specialty Fertilizers cannot be held responsible for any adverse results.

The longevity of Osmocote High K is determined at 21ºC. At lower average soil temperatures the product will work longer, at higher average soil temperatures shorter. Indicational: 16ºC: 5-7M, 21ºC: 5-6M, 26ºC: 4-5M.
Partly used bags must be closed / sealed properly.
Store under dry conditions.
If you need more information, please contact your technical support.

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