ICL Sierrablen Plus Spring & Summer CalMag 23-0-5 +5CaO+MgO (4-5 Months)

ICL Sierrablen Plus Spring & Summer CalMag 23-0-5 +5CaO+MgO (4-5 Months)

ICL Sierrablen Plus Spring & Summer CalMag is a new formulation granular fertiliser containing Ca (calcium) and Mg (magnesium) to support healthy turf growth through the season.

Each bag contains the patented Poly-S coating, ensuring N (nitrogen) is released evenly when conditions are favourable and the turf plant requires nutrition.

Spring & Summer CalMag is ideal to apply from early in the growing season, or to support growth through the summer.

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ICL Sierrablen Plus Spring & Summer CalMag 23-0-5 +5CaO+MgO (4-5 Months)

ICL Sierrablen Plus Spring & Summer CalMag is a new formulation granular fertiliser containing calcium and magnesium to support healthy turf growth through the season.

Containing ICL’s patented Poly-S coating; N (nitrogen) is released evenly when conditions are favourable.

Spring & Summer CalMag is blended with Mg (magnesium) to enhance turf colour and mask stress symptoms, and Ca (calcium) for cell wall strength and healthy plant growth.


Benefits of ICL Sierrablen Plus Spring & Summer CalMag

  • Longevity: 4 - 5 months
  • Turf Response: 7 days
  • Granule Dispersal: 7 days
  • Promotes healthy balanced growth through the season
  • Added Ca and Mg for good colour and a healthy plant
  • Contains the mineral polyhlite
  • Extremely cost-effective at low application rates
  • The mini-granular formulation allows even application even at low rates
  • 73% coated N (nitrogen)

Application Information:

Bag Sizes (kg) Application rate (g/m2) Bag Coverage (m²) Nutrient Levels Applied kg/ha
N P K Ca Mg
25 30 833 69 0 15 15 3
35 714 80.5 0 17.5 17.5 3.5

Periods of use

J F M A M J J A S O N D

How to Apply

  • Apply to dry foliage and irrigate after 1-2 days if no rain has fallen.
  • Irrigation will aid dispersion and minimise any risk of mower pick-up on close mown surfaces.
  • Avoid applications during frosty or drought conditions.
  • Delay verti-cutting and/or grooming for 7 days after application to allow the granules to disperse.

Please contact our sales team to discuss trade prices on orders of ICL fertiliser over 10 bags.

For further information regarding ICL Sierrablen Plus Spring & Summer CalMag 23-0-5 +5CaO+MgO, please contact our technical sales team on 01902 440250.

Delivery charge (if applicable) applied at checkout. Next working day delivery is available on this product, as an option on orders placed before 12 noon - excludes festive season & bank holidays. Please note deliveries to Highlands, Cornwall and more remote areas may take longer. Surcharges apply for non mainland locations, call for more information. More delivery info


Please Note: If you have any access restrictions for lorries or large vehicles please speak to our sales team on 01902 440250.


Collection from our Telford, Shropshire, Trade Counter is available for this product. More info on collections