Controlled-release fertilisers are specialised products for ornamental horticulture that gradually release nutrients according to environmental conditions, ensuring long-term, precise plant nourishment.
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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33 Products found

The 5th generation of Osmocote programmed release fertiliser guarantees consistent, efficient, and safe nutrition for various plants.

The 5th generation of Osmocote programmed release fertiliser guarantees consistent, efficient, and safe nutrition for various plants.

This 5th generation release fertiliser technology provides plants with sustained, safe, and efficient nutrition over a 5-6 month period.

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

Osmocote Bloom provides bedding plants a boost towards reaching their full potential with its controlled-release coated fertiliser.

This innovative product has an abundance of calcium, magnesium, and nitrogen, all rolled into one fully coated controlled-release fertiliser.

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 fertiliser 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 Lo.Start 16-18M was developed for slow-growing conifers and salt-sensitive crops to get young plants off to a healthy start.

Osmocote® Pro High K 5-6M is optimal for pot plants needing high-potassium feed or in situation when the irrigation water has a high nitrogen content.

Osmocote® Pro High K 8-9M is optimal for pot plants needing high-potassium feed or in situation when the irrigation water has a high nitrogen content.

Osmocote Topdress FT 4-5M has been designed specifically for container nursery stock. It meets all topdress application needs.

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.

As a programmed-release fertiliser, Osmocote Exact Protect 12-14M is ideal for mid-Oct to mid-Jan pottings and salt-sensitive crops.

Osmocote Exact Protect 5-6M is a programmed-release fertiliser for early spring pottings (January till February) and salt-sensitive crops.

Osmocote Exact Protect 8-9M is a programmed-release fertiliser for autumn/winter pottings and salt-sensitive crops.

This controlled release fertiliser guarantees a safe and consistent nutrient release for plants over a 16–18-month period.

Osmocote® Exact Standard 12-14M is used for pot plants throughout the season that is ideal for fast-growing conifers and evergreens.

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 used for pot plants throughout the season with various release patterns, ensuring plants receive the nutrition they need.

Osmocote Exact Tablets 5-6M come in a clever cone-design, which can be pushed down into growing medium and apply water.

Osmocote Exact Tablets 8-9M come in a clever cone-design, which can be pushed down into growing medium and apply water.

Osmocote® Iron provides an ideal solution to addressing iron deficiency in pot plants, bedding plants, perennials, and nursery stock.

Osmocote PrePlant prepares ornamental crops for two growing seasons ahead of time with one single application.

Osmocote® Pro 12-14M is optimal for spring or autumn potting due to its high-NPK formula, which is designed to promote all-round development for rapid-growing plant material.

Osmocote® Pro 3-4M is optimal for late spring potting due to its high-NPK formula, which is designed to promote all-round development for rapid-growing plant material.

Osmocote® Pro 5-6M is optimal for spring potting due to its high-NPK formula, which is designed to promote all-round development for rapid-growing plant material.

Osmocote® Pro 8-9M is optimal for spring potting due to its high-NPK formula, which is designed to promote all-round development for rapid-growing plant material.

Osmocote® Start coated fertiliser provides optimum results for short growth cycle plants. Perfect for violets, primulas, impatiens, marigolds, and many more.
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