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Lawn Fertiliser

Our Granular Lawn Fertilisers provide the grass plant with the nutrients it needs to keep your lawn healthy, green and hard wearing.

For more information on Granular Fertilisers read our guide to granular fertiliser.

Buy Online or Call 0800 883 0169 for Advice. Boston Seeds are wholesale online grass seed suppliers for Private Individuals, Businesses and Sports Clubs 

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BS Pre-seeding Lawn and Sportsfield Fertiliser 6.9.6

Specially formulated to improve establishment of grass seed. Encourages root and shoot development to promote quicker coverage.

  • Incorporate into the seed bed during final preparation
  • Higher phosphate levels for quicker and stronger root structure
  • Nutrient release over a 4-6 week period
  • Contains NPK at a ratio of 6.9.6
  • Recommended coverage: 20kg per 400sqm. Apply at 50g/sqm
  • For accurate and easy application Boston Seeds recommends using a spreader
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BS Spring & Summer Lawn and Sportsfield Fertiliser 11.5.5

Apply BS Spring and Summer Lawn fertiliser to give your grass all the nutrients for healthy growth and a great appearance

  • Higher nitrogen content to encourage leaf and shoot growth
  • Nutrient release over a 6-8 week period
  • Can be applied from March to August
  • Contains NPK at a ratio of 11.5.5
  • Recommended coverage: 20kg per 575sqm. Apply at 35g/sqm
  • For accurate and easy application Boston Seeds recommends using a spreader
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BS Premium Spring & Summer Lawn and Sportsfield Fertiliser 12.5.5+

A premium fertiliser for areas of lawn and turf. Contains a balanced blend of nutrients for healthy growth along with Iron, Magnesium and Seaweed.

  • Mini granule formulation rapidly disappears within the grass
  • Iron content provides a rapid 'green up'
  • Magnesium and Seaweed improve all round health of the grass
  • Contains NPK at a ratio of 12.5.5 + 1% MgO, 2% Fe and Seaweed
  • Recommended coverage is 35g/m². 20kg will cover 570m²
  • For accurate and easy application Boston Seeds recommends using a spreader
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BS Lawn Feed and Weed Plus Moss Killer 10.2.1.7 +8% Iron, 2.4D & MCPP

All in one granular fertiliser to control moss and weeds in one easy application. Leaves lawn looking lush and green for up to eight weeks.

  • Contains iron to kill moss and give the grass a dark green finish
  • Provides nutrients over 6-8 weeks to keep the grass lush and dense
  • Can be applied during the spring and summer
  • Contains NPK at a ratio of 10.2.1.7 + 8%Fe + 2.4D + Mecoprop P
  • Recommended coverage: 20kg per 625sqm. Apply at 32g/sqm
  • For accurate and easy application Boston Seeds recommends using a spreader
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BS Slow Release Lawn Fertiliser 20.6.8 (6 month)

Formulated from a blend of three different granules to give a phased release of nutrients over a six month period.

  • One application will give a full season of nutrients.
  • A balanced fertiliser which will fertilise your grass for six months
  • Contains coated granules which degrade at different rates
  • Phased release on nutrients over a six month period
  • Contains NPK at a ratio of 20.6.8
  • Recommended coverage: 20kg per 575sqm. Apply at 35g/sqm
  • For accurate and easy application Boston Seeds recommends using a spreader
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