The introduction of Osmocote® – the world’s first controlled release fertilizer – in 1967 revolutionized the fertilizer market. Over the past five decades, Osmocote has grown into one of the world’s leading plant nutrition solutions that is used by growers around the globe. ICL is proud that coated fertilizers are more relevant today than ever. We now offer five generations of Osmocote and have embraced cutting-edge technologies to develop new release patterns and features. All with the aim of meeting your evolving needs as a grower. Now and in the future. Whatever your specific needs, situation or crop, there is an Osmocote solution that is right for you.
Osmocote
Osmocote is trusted and used by thousands of growers around the world.

Benefits
- Predictable and consistent in performance
- Pure and best quality raw materials
- Guaranteed high-quality crops
- The best return on investment
Brand range
The Osmocote family

Small granule, big impact
Discover Osmocote 5 – the latest innovation from the Osmocote Green Lab. We’ve tapped into many years of research and development to create this next-generation controlled-release fertilizer. Featuring the OTEA-system and NutriMatch-Release, Osmocote 5 helps you grow greener, stronger, and more resilient plants. So much technology in such a small granule. Want to make a big impact? Choose Osmocote 5.
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Giving you steady nutrition all growing season.
Our first third-generation fertilizer Osmocote Exact Standard releases nutrition consistently throughout the growing season, in line with your plants’ requirements. This regular, continuous release makes it ideal for almost all growing situations. It’s especially well-suited to evergreens and deciduous shrubs, and when you can only apply one release pattern. You can also use it where plants’ nutrient demands are consistent throughout the growing cycle.
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Proven performance from our second-generation coated fertilizer.
Osmocote Pro is a second generation controlled release fertilizer. It means that not only N, P and K are coated but its granules contain all necessary trace elements. Osmocote Pro gives you consistently strong results. It comes in 4 longevities: 3- 4, 5-6, 8-9 and 12-14 months. It’s also distinctive thanks to its steady nutrient release pattern for optimum growth and performance.
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The leading coated fertilizer for topdress applications in your container nursery stock.
Osmocote Topdress is a coated fertilizer designed especially for topdress application in container nursery stock. Use it to achieve an immediate greening effect. It contains a high nitrogen, magnesium and iron content, so you get an immediate greening effect. Containing fast- and slow- release nitrogen and phosphorous, it releases the correct amount of nutrients over a period of 5-6 months. You’ll benefit from greener and stronger plants for optimum performance.
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The controlled-release fertilizer for growing your compact plants.
Osmocote Exact High K is a 3rd generation controlled release fertilizer and has been designed to support compact plant growth where the irrigation water has high nitrogen levels. It’s the ideal solution for your CNS crops and compact pot plants, perennials, and bedding plants. It also gives you great results with species that need high potassium nutrition, including cyclamen, viola, and primula. You’ll get big results in your compact plants.
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The mini fertilizer granules bringing you maximum benefits.
Osmocote Exact Mini is perfect for use in small-substrate volumes such as plugs and trays. The fine granules (of between 0.85 and 2.0 mm) are smaller than Osmocote Exact Standard. This gives you optimum nutrient distribution and uniform growth, in volumes as low as 20ml. The granules may be small – but each one is packed with every nutrient your plants need. You can use Osmocote Exact Mini to combine the rooting and repotting stages, rather than adding extra fertilizer via sprinklers.
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The ideal solution when fertilizer is difficult to apply.
Osmocote Exact tablets offers convenience and accurate rate of nutrient. Available in 5g and 7.5g, Osmocote Exact Tablets are cone-shaped so you can push them easily into the growing medium. Using an eco-friendly, water-soluble adhesive that will start to dissolved once you watered them in.
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Your fall and winter potting solution for container nursery stock crops.
Fourth-generation fertilizer Osmocote Exact Protect’s 100% double-coated granules postpone nutrient release during the winter months. That means EC or salt levels in the growing medium stay consistently low for up to the first three months. Longevity is between five and 14 months, while granule size is 2.0-4.5 mm.
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The bedding plant specialist.
Osmocote Bloom provides optimum plant quality through maximum nutrition during the entire crop cycle, plus the selling and early consumer stages. Your plants will get all the food they need every step of the way from potting to the first consumer phase. Its 100% coated NPK analysis and traces are ideal for bedding plants with a two-to-three-month crop cycle. It’s especially effective for condensed growth in many annuals including petunias and geraniums.
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The short-track Osmocote for fast-track performance.
Osmocote Start delivers nutrition to your crops with a short cultivation cycle, or provides refertilization for up to six weeks. It’s designed especially for compact-growing annual plants with a short cropping cycle. These include violets, marigolds and primulas, along with more salt-sensitive vegetable crops, and cuttings that have difficulty rooting.
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