Having pioneered controlled release fertilisers over 50 years ago, our world-leading Osmocote range of products is still evolving thanks to innovative new technologies. The most significant difference between then and now is the level of applied scientific horticultural knowledge.
Our most advanced, 5th generation, Osmocote fertilisers provide a choice of longevities as well as the way nutrients are released making these products unique. No matter which Osmocote controlled release fertiliser product is selected, growers can rest assured the highest quality and return on investment will be delivered.
Osmocote – Trusted and innovative controlled release fertilisers developed over five decades.
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31 Products found

Osmocote 5 12-14M gives your crops the nourishment they need for at least a year after your early spring or winter potting, thanks to the latest controlled-release technology.

Osmocote 3-4M is a short-term fertiliser providing a controlled release of NPK nutrients at 14% each over 2 to 3 months.

Osmocote 5 8-9M harnesses 5th-generation programmed-release fertiliser technology to help your plants achieve sustained, safe, and efficient nutrition over an 8–9-month longevity period.

Osmocote Exact High K 12-14M is DCT-powered and ideal for compact growth and plants needing high potassium, with longevity of 12 to 14 months.

Osmocote Exact High K 3-4M is a third-generation coated NPK fertilizer with trace elements, and three to four-month longevity.

Osmocote Exact High K 5-6M is a DCT-powered fourth-generation coated NPK fertilizer with trace elements and programmed release, with longevity of five to six months.

Osmocote Exact High K 8-9M is a DCT-powered fourth-generation coated NPK fertilizer with trace elements and programmed release, with longevity of eight to nine months.

Osmocote Exact Mini 3-4M (3-4 months) has a complete package of trace elements and magnesium.

Osmocote Exact Mini 3-4M (5-6 months) contains a full package of trace elements and magnesium.

Osmocote Exact Standard 12-14M combines safety, consistency, and a patterned release, guaranteeing your plants’ longevity.

Osmocote Exact Standard 3-4M is ideal for late pottings with good growing plant material and short crop cycles.

Osmocote Exact Standard 5-6M is an exceptionally safe product, making it well suited to pot plants.

Osmocote Exact Standard 8-9M is perfect for pot plants thanks to its safety and consistency and various release patterns, tailored to your precise requirements.

The perfect choice for potting in spring or autumn. Your plants will have essential nutrition throughout the crop cycle with the regular release pattern delivered by our unique resin coating. They will flourish with a high intake of NPK, magnesium and an increased level of all essential trace elements. Osmocote Pro 12-14M is safe, reliable and great value.

Osmocote Pro 8-9M offers eight to nine-month longevity, plus fully coated NPK and trace elements.

Osmocote Pro High K 5-6 months is great for pot plants needing high-potassium feed or in situation when the irrigation water has a high nitrogen content. With its formula rich in NPK, magnesium, and trace elements, it is designed to help your plants achieve good branching and compact growth. Give yourself peace of mind for the entire crop cycle with its 100% resin coating, providing steady nutrient supply over a pre-defined 5-6 month longevity period.

Osmocote Pro High K 8-9M is great for pot plants needing high-potassium feed or in situation when the irrigation water has a high nitrogen content. With its formula rich in NPK, magnesium, and trace elements, it is designed to help your plants achieve good branching and compact growth. Give yourself peace of mind for the entire crop cycle with its 100% resin coating, providing steady nutrient supply over a pre-defined 8-9 month longevity period.

Osmocote Topdress FT 4-5M has been designed with your container nursery stock in mind. It’s made to meet all your topdress application needs. It incorporates special Fusion Technology to ensure it adheres easily to your growing medium. So if you containers blow over, no granules will be lost.

Take complete control of your late spring potting with Osmocote® 5’s controlled-release technology. This 5th generation programmed release fertiliser technology provides your plants with sustained, safe, and efficient nutrition over a 5-6 month longevity period. Achieve the best possible plant colour, health, and growth by optimising the availability and uptake of trace elements with the OTEA-system.

Give your potassium-thirsty pot plants, bedding plants, and perennials all the support they need with Osmocote 0-0-41. Use it for low phosphorus-demanding cultures.

Treat your container nursery stock, potted plants, bedding plants, and annuals to the perfect balance of nutrients with Osmocote 6-13-25 fertiliser. Perfect for a broad range of applications!

There is one product in this range – Osmocote Bloom – its mid-sized granules are perfect for mixing into smaller pots and packs. Longevity is between two and three months.

Osmocote Exact Protect 12-14M is the ideal solution for your conifers and roses, plus bare-rooted plant and grafted material in autumn and winter pottings between mid-October and mid-January. Longevity is 12 to 14 months.

Osmocote Exact Protect 5-6M features a second (DCT) coating which delays release time by four to six weeks, saving nutrients until your plants can use them effectively. Ideal for salt-sensitive crops, Calluna spring pottings, and unrooted cuttings potted in end pots. Longevity is five to six months.

Osmocote Exact Protect 8-9M is perfect for use in combination with PlantTrust (controlled release crop protection product against Phytophtora Cinnamomi). It has a longevity of eight to nine months.

Osmocote Exact Tablet 5-6M has longevity of six to seven months at 16º C, five to six months at 21º C, and four to five months at 26º C.

Osmocote Exact Tablet 8-9M has longevity of 10 to 11 months at 16º C, eight to nine months at 21º C, and six to seven months at 26º C.

Prepare your field-grown ornamentals for not one, but two growing seasons ahead of time with one single application of Osmocote® PrePlant. Safely apply this coated fertiliser directly into your plant holes and let nature do the rest. With this efficient plant nutrition, designed for easy GPS application, you will save on labour costs and improve your plants’ overall quality.

Osmocote Pro 3-4M is a second-generation coated fertilizer with controlled release, and longevity of between three and four months.

Osmocote Pro 5-6M has a longevity of five to six months, plus proven IC coating technology.

Osmocote Start, with a longevity of six weeks and a granule size of 1 to 2.5 mm.
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