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Nutrigrow 18-3.5-8+TE Phased Release Fertiliser 25kg

Availability: In stock

Premium 3-Month Release Fertiliser For Lawns & Sports Surfaces

  • Buy 5 for £27.00 (£32.40 inc VAT) each and save 7%
  • Buy 10 for £25.00 (£30.00 inc VAT) each and save 14%
  • Buy 20 for £23.00 (£27.60 inc VAT) each and save 21%
  • Buy 40 for £22.00 (£26.40 inc VAT) each and save 25%
£34.80 Inc VAT £29.00 Ex VAT
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Product Description

Slow Release 18 - 3.5 - 8 + Mg fertiliser is a quality NPK fertiliser which is ideal for treating amenity areas such as lawns & sports pitches. This product is ideal for areas which require the feed to be slowly released over a 12 week period. Slow release fertilisers help avoid any sudden growth & also reduce the risk of scorch to the grass. It also contains some trace elements which is particularly useful in aiding maximum nutrient uptake. This is a mini-granular compound fertiliser which offers an excellent spreading pattern. If you require a slow release fertiliser with a higher amount of nitrogen, consider Prolong 46-0-0

The application rate will depend on how many times you will apply the product, and how much top growth you require If you require a detailed recommendation, please contact us for a soil analysis kit. Apply either by hand or through one of our applicators. If you require a fertiliser with more trace elements, look at Amenity Fertiliser with TE

Recommended Period of Use
Jan Feb
Mar Apr May
Jun Jul Aug Sep Oct Nov Dec
    leaf leaf leaf leaf leaf leaf leaf leaf    
leaf = Optimum time for application

Understanding Fertiliser Analysis

Under the metric system the unit of measurement is a kg

Recommendations are given in kg/ha

A fertiliser with the analysis 18:3.5:8 contains:-

18% Nitrogen 3.5% Phosphate 8% Potassium

So in a 25kg bag:-

18% of the 25kg is Nitrogen i.e. 4.5kg N

3.5% of the 25kg is Phosphate i.e. 0.9kg P

8% of the 25kg is Potassium i.e. 2kg K

+ trace elements

For more information on Fertiliser rates visit


Our Recommendation

- If looking for a liquid fertiliser look at Nutri-gem Liquid

- For applying fertiliser over large areas look at our Heavy Duty Spreader or Pro Fertiliser Spreader

- Improve the pH of your soil by applying Granulated Lime

Brand Nutrigrow
Active Ingredient 18% Nitrogen, 3.5% Phosphate, 8% Potassium + Magnesium + Trace Elements
LERAP Category Does Not Apply
Pack Size 25kg
Pack Size Coverage 500m2
Application Method(s) Spread by Hand, Spreader
Area of Use Amenity Turf, Lawn, Paddock, Pasture, Sports Turf, Trees & Ornamentals
Safe For Use On Conifer Safe, Grass, Lawns, New Grass, Paddocks, Pasture, Safe Around Fruit Trees, Sports Turf
Period Of Use March, April, May, June, July, August, September, October, Spring, Summer, Autumn

Application Rates

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