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Clover are the go to cover crop for nitrogen fixing, suitable for use on their own or combined with other crops to achieve maximum benefits within crop rotations. We welcome enquiries for bespoke mixtures and have expert staff on hand to offer advice. Feel free to call 01205 280069 or email info@bostonseeds.co.uk 


For more information on cover crops and the EnviroSeeds range view our brochure.


Berseem Clover Seed (Trifolium alexandrinum)

Berseem clover is an annual, nitrogen fixing legume which is noted for its rapid establishment. Popular for autumn sowing works well as a winterkilled cover.

  • Popular for early autumn sowing, to fix nitrogen before it is killed by winter frost
  • Compatible in seed mixtures with grass and legumes
  • Nitrogen fixing legume with rapid growth and establishment
  • Sow from spring to early autumn. Not frost tolerant
  • Sowing rate: 15kg/ha.

Crimson Clover Seed (Trifolium incarnatum)

Crimson clover is a brightly coloured legume which attracts a large numbers of insects. Tolerant of poor soils provided they are alkaline and free draining. 

  • Excellent weed suppressor, fast establishing and good nitrogen fixer
  • Lower yields of biomass than Red Clover but has much shorter growing period
  • Biomass degrades very quickly in the soil releasing nutrients for future crops
  • Will over-winter in Southern England for autumn sowing and spring incorporation
  • Sowing rate: 15kg / ha

Persian Clover Seed (Trifolium resupinatum)

Persian clover is an is an annual, nitrogen fixing legume which is widely used across Europe and is useful as a forage plant.

  • Spring sown for grazing and cutting or autumn sown, for rapid spring growth
  • An efficient nitrogen fixing legume to assist future crops
  • Suitable for use with poorer soils and drought conditions
  • Compatible in seed mixtures with grass and legumes
  • Sowing rate: 7-10kg / ha

Red Clover Seed (Trifolium pratense)

Red clover is an aggressive, nitrogen fixing plant which is an effective weed suppressor. Good for improving and aerating soil structure.

  • A shorter term alternative to White Clover, will usually last for two years 
  • An aggressive plant, providing a large mass of green vegetation
  • Fixes large amounts of atmospheric nitrogen which is released once ploughed in
  • Large tap root which penetrates deep into the ground, improving soil structure
  • Sowing rate: 15kg / ha

White Clover Seed (Trifolium repens)

White clover is widely used throughout the UK. It is an important element of many silage and grazing mixtures, thanks to its persistence and nitrogen fixing properties.

  • A longer term and more persistent option than Red Clover
  • Very palatable for livestock and high in protein 
  • Continued defoliation stimulates root growth and nitrogen fixation
  • Prefers to be shallow sown into a fine, firm seed bed
  • Sowing rate: 5-10kg / ha

Yellow Blossom Clover (Sweet Clover)

Yellow Blossom Clover is a biennial plant that can persist for several years due to its self regenerating properties. 

  • A deep rooted legume that improves soil structure and fertility
  • Nectar rich specie which attracts pollinators to aid future crops
  • Often sown with Kale to help provide cover in the first year
  • Stems become woody in second year to help with standing
  • Sowing rate: 5kg / ha

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