ICL Sierraform GT Spring Start 16-0-16

ICL Sierraform GT Spring Start 16-0-16

ICL Sierraform GT Spring Start is a revolutionising high performance micro granular fertiliser designed for use in fine turf through out the year. The individual granules each contain conventional and slow release technology to provide a consistent and sustained release pattern.

ICL Sierraform GT Spring Start 16-0-16 +Fe +MN Fertiliser

Nitrogen is the key nutrient for driving growth in a plant. Potassium ensures that your turf is even more resilient to external stresses. A sufficient quantity of Nitrogen and Potassium is released immediately after application, so that the plant can make use of it straight away.

Benefits of ICL Sierraform GT Spring Start:

  • Longevity: 6-8weeks
  • Turf Response: 7days
  • Granule Dispersal: 2-3days
  • Active at lower temperatures.
  • Slow release Nitrogen and Potassium for sustained performance
  • Even spread at an ultra-low rate applications (20g/m²)
  • Granules break down and disperse rapidly
  • Low MU content for quick reaction in cooler conditions.
  • Encourages healthy balanced growth at start of season.
  • Phosphate free formulation aids management of soil Phosphorus build-up.

Application Information:

Quick reaction in cooler conditions is ideal for spring application.

Bag Sizes (kg)Application rate (g/m2)Bag Coverage (m²)Nutrient Levels Applied kg/ha

Periods of use


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. Try avoiding applications during frosty or drought conditions.

Delay verti-cutting and/or grooming for 3 days after application to allow the granules to disperse.

Nitrogen release is significantly slowed down when soil temperatures are less than 10°.

Watering-in after application will minimize foot printing risk.

For orders of any (same brand or mixed) quantities of ICL fertiliser over 10 bags please ring the office on for a trade price or for any further information

Delivery charges (if applicable) applied at checkout. Next working day delivery is available on ‘In Stock’ items, on orders placed before 12 noon. Please allow 3-5 working days on all other orders – possibly longer during the festive season & bank holidays. Please note deliveries to more remote areas may also take longer. More delivery info Please Note: If you have any access restrictions for lorries or large vehicles please speak to our sales team on . Collection from our Naul, Co. Dublin, Trade Counter is available for this product. More info on collections