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Osmocote Pro Controlled Release 5 to 6 months 25kg View larger


Osmocote Pro Controlled Release 5 to 6 months

Super Value: Available by the kilo providing super value.

Disclaimer: This item is repacked from a full 25kg and sold in clear bags.

Contains a full trace element package (with elevated levels). Fully coated high NPK content, magnesium and trace elements. Plants have sufficient nutrition for entire crop cycle. Good value for money. Easy to use, safe and reliable.

25kg Osmocote Pro - Slow Release Fertiliser - 5/6 Months  (N19 - P9 - K10 + 2MgO +TE)

Osmocote Pro 5-6M granules are fully coated and contain NPK, magnesium and all necessary trace elements. It has predetermined longevity and can be used in a wide variety of growing situations.


  • 5 - 6-month formulation is ideal for shrubs and container plants

Product advantages

  • Contains a full trace element package (with elevated levels)
  • Fully coated high NPK content, magnesium and trace elements
  • Plants have sufficient nutrition for the entire crop cycle
  • Good value for money
  • Easy to use, safe and reliable

Directions for Use:

  • Osmocote Pro can be used in combination with water-soluble fertilizers.
  • It is recommended to apply the product by mixing into the growing medium. When using plant hole dibbling equipment, please contact your ICL SF technical advisor for detailed advice.
  • In case of sensitive crops, ICL Specialty Fertilizers recommends the use of Osmocote Exact.

The longevity of Osmocote Pro 5-6M is affected by temperature (product longevity is determined at 21º C).

16 ºC 21 ºC 26 ºC
6-7M 5-6M 4-5M


Target crop Average fertilizer needs High fertilizer needs
Container nursery stock 3-3.5 g/l 4-4.5 g/l
Pot plants 3-4 g/l 4-5 g/l
Bedding plants 3-4.5 g/l 4-5.5 g/l
Perennials 3-4.5 g/l 4-5.5 g/l

  • Add maximum 0.5g/l NPK starter fertilizer, in combination with Osmocote Pro.
  • Rates mentioned in gram/liter pot volume, based on full rates.
  • Contact your ICL SF advisor for specific recommendations for your crops.


The above mentioned recommended rates are based on unfertilized substrates. Please be aware that these are general recommendations. Specific situations such as use in tunnels, greenhouses, or specific climate conditions require adjustments. Contact your ICL Specialty Fertilizers advisor for more detailed advice. Trial first on a small scale before rate, application or other changes in your cultural practices are implemented. As circumstances can differ and as the application of our products is beyond our control, ICL Specialty Fertilizers cannot be made responsible for any negative results.

Oxide Analysis:

Nitrogen Total (N) 19% Nitrate nitrogen (N-NO3) 6.3% Ammoniacal nitrogen (N-NH4) 8.2% Urea nitrogen (Ur-N) 4.5% Phosphorus Pentoxide (P205) 9% Water soluble (P205) 6.7% Potassium Oxide (K20) 10% Water soluble (K20) 10.0% Magnesium Oxide (MgO) 2.0% Water soluble 1.3% Iron (Fe) 0.30% Chelated by EDTA 0.06% Manganese (Mn) 0.04% Boron (B) 0.01% Water soluble 0.01% Copper (Cu) 0.037% Water soluble 0.023% Molybdenum (Mo) 0.015% Water soluble 0.010% Zinc (Zn) 0.011%

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