All Cover Crop Species
Boston Seeds offer the EnviroSeeds range of cover crops seed mixtures and straights, including black oats seed, phacelia seed, berseem clover seed and many more. We welcome enquiries for the species listed below or bespoke mixtures.
Don't hesitate to get in touch to speak to one of our experts or request a catalogue to view our full range. Ordering regularly or looking for large volumes? Click here to apply for a trade account today - we review all applications within one working day.


Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
NACRE winter vetch is ideal for both Autumn or Spring sowing with superior establishment and frost tolerance. Strong nitrogen fixing properties and excellent resistance to disease.
- Superior establishment and fast growth act as an excellent weed suppressor
- Produces large amounts of nitrogen, which break down easily for the following crop
- Annual legume that performs best on dry, alkaline soils
- Commonly sown as a companion crop with Forage Rye
- Sowing rate: 50kg / ha
A nitrogen fixing legume which is better adapted to wet, acidic soils and cooler temperatures. Requires shallow sowing and a firm seedbed.
- Scandinavian origin and better adapted than Red or White Clover to wet acid soils and cooler conditions
- Growth habit similar to Red Clover
- Lower yielding of biomass
- Requires shallow sowing and a firm seedbed
- Sowing rate: 25kg per acre. Packsize: 25kg


Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
A high yielding, shorter stem variety - a popular option for spring sowings to help control black grass and broad leaved weeds.
- Very quick and early to mature, generating excellent yields
- Strong reputation for producing high yields in following wheat crops
- Performs well on thin soils. Not frost hardy
- Provides interest well into the winter, particularly sown with other species
- Sowing Rate: 50kg / ha
Sunflowers are another great option when it comes to cover crops, whether used straight or in a mixture to produce combined benefits.
- Standard tall variety.
- Excellent nectar rich flowers provide food for pollinators.
- Dead flower heads provide an ideal overwintering habitat for pollinators.
- Frequently sown as part of a game cover mixture or with Kale.
- Sowing rate: 5kg per acre.


Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
Spring vetch is a nitrogen fixing legume which due to its larger seed size can be sown later in the year than most other legumes.
- Fast establishing legume which is an excellent weed suppressor
- Vetches provide large amounts of nitrogen which is available to the following crop
- A vigorous trailing/climbing annual legume that does best on dry, alkaline soils
- Commonly sown as a mixture with Forage Rye
- Sowing rate: 50kg / ha
Annual form of ryegrass
- Produces large amounts of biomass in short space of time
- Suitable for silage, hay production, grazing and green manure
- Can be sown from spring through to autumn
- Sowing rate: 15kg per acre. Pack size: 25kg.
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

Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
White mustard has extensive root development and an impressive yield of dry matter. If not incorporated, surviving plants are usually killed by winter frosts.
- Fast and easy to establish providing rapid ground cover and weed suppression
- Rapid breakdown of organic material after incorporation releases nutrients
- Extensive root development protects soil from errosion and breaks compaction
- Cost effective solution for using with crop rotations
- Sowing rate: 15kg / ha

Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
Black oats are becoming a popular choice with growers for catch and cover crops. Rapid growth and high biomass make it an option for biogas production.
- Rapid establishment - faster than conventional oats or rye
- Produces an excellent root network ground cover to reduce soil erosion
- High biomass makes it an option for biogas production in AD plants
- Upright growth habit makes it an ideal companion for Vetches. Not winter hardy
- Sowing rate: 30 - 50kg / ha

Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
Buckwheat is a fast-growing annual crop, with a dense canopy for excellent weed suppression. Buckwheat scavenges phosphates, helping to reduce leaching. Use as a short-term, fast growing cover crop, or as a companion crop to oilseed rape and other species.
- Rapid establishment and growth make it an ideal short-season crop
- A dense canopy works efficiently as an excellent weed suppressant
- Nectar-rich, helping boost pollinators and other beneficial insects
- Scavenges phosphates from the soil for future crops
- Sowing rate: 50kg / ha

Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
Very popular for use in potato rotations to control soil borne pests and can be incorporated into moist soil to maximise biofumigation.
- Green manure crop with biofumigant properties
- Winter-hardy, easy to establish, cost effective
- Reduces wireworm and PCN populations and their effect on potatoes
- Suppresses Verticillium wilt and Sclerotinia in potato production
- Sowing Rate: 5kg / ha
- VITTASSO Brown Mustard Brochure


Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
This fastest growing rye, POWERGREEN is a high yielding variety which can grow at the lower temperatures, making it ideal for late sowing or early harvests.
- Fast initial development, high tillering and high output
- Good growth in cold conditions, excellent winter hardiness
- High nitrogen uptake throughout autumn
- Sow in autumn for incorporation and use in the spring
- Sowing rate: 150kg / ha


Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
BINGO purple vetch is an exciting development in short term cover cropping and establishes quickly producing good levels of bio-mass. Purple vetch is very susceptible to frost and will be removed quickly when temperatures drop below freezing.
- Very frost sensitive
- Fast to establish
- Nitrogen fixing
- Suites early autumn sowings
- Sowing rate: 20kg / ha
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Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
LIFAGO buckwheat (Fagopyrum tataricum) is a different species to conventional buckwheat (Fagopyrum esculentum) - particularly suited to grow as a companion crop with oilseed rape.
- Suitable for Sustainable Farming Incentive (SFI): CIPM3 IPM3
- Rapid establishment and high vigour
- Creates a dense canopy to protect the oilseed rape plants
- Smaller seeded and easier to drill with oilseed rape than standard buckwheat
- Scavenges phosphates from the soil for future crops
- Sowing rate: c.10kg/ha as a companion crop
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If you'd like more information, don't hesitate to get in touch on 01205 280069 or email [email protected].
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