All Game Cover Seed Crops
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Japanese Reed Millet is a stronger and hardier member of the millet family when compared to Red and White Millet.
- Stronger plant than others of the millet family
- Improved winter hardiness
- Mix with white millet to provide an excellent cover and feed crop
- Sowing rate: 5kg per acre.


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
Thousand Head Kale is a popular, tried and tested variety with good standing ability and winter hardiness.
- Thousand Head is a slender stemmed variety bearing leafy foliage.
- Excellent winter hardiness providing forage for feeding after Christmas.
- Can supply approximately 90 tonnes/ha of green forage matter.
- Sowing rate: 2kg per acre.
Dwarf sunflowers are a shorter stemmed hybrid variety which provide better standing ability over conventional varieties.
- A stiff stemmed, shorter hybrid variety
- An effective feed crop for shoots in the southern half of the UK
- May require 'swiping' down to allow game birds to access the seeds
- Frequently sown as part of a game mix or with kale
- Sowing rate: 5kg acre. Pack size: 5kg
Quinoa will provide cover and a plentiful supply of seed making it a popular crop for holding partridges, pheasants and attracting seed eating song birds.
- Produces a number of seeds to provide a valuable source of food
- Also attractive to many species of seed-eating song birds
- Often grown with kale as it begins to collapse with first frosts
- Available ready blended with Kale, see Overdrive Seed Mixture
- Sowing rate: 2kg per acre. Pack size: 2 kg
Interval is a hybrid variety, produced by crossing rape and kale together. Creates a thick, leafy canopy to utilise in as little as 10-12 weeks.
- Fast growing properties of rape with the greater leaf canopy of kale.
- Winter hardy for a full season of cover.
- Grows to a height of 80-100cm.
- Sowing Rate: 2kg per acre.


Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
Use this mixture for CAHL2 (2024/2025) and AHL2 (2023) Sustainable Farming Incentive (SFI) and AB9 Countryside Stewardship (Winter Bird Food), to provide important food resources for farmland birds, during autumn and winter.
- Farmland birds eat the seeds from October and beneficial insects including bees and butterflies use the flowers during the summer
- Sow in spring or early summer for optimum establishment - suitable for later sowings and re-sowing of failed crops, where permitted
- Re-sow in each year of your agreement
- Suitable for Sustainable Farming Incentive (SFI): CAHL2 AHL2
- Suitable for Countryside Stewardship (CSS): AB9
- Contains: 35% Buckwheat, 30% Linseed, 15% White Mustard, 10% Oil Radish, 5% Brown Mustard, 5% Phacelia
- Sowing rate: 8-10kg/ha (added to c.40kg cereals) or 15-20kg/ha (as a standalone mix). Pack size: 20kg
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Giant Sorghum is a cross between Sorghum and Sudan Grass Hybrid. It can grow over two metres tall providing excellent cover.
- Produces warm and dense cover that can grow 2-3 metres tall.
- Deep roots help it to withstand drought conditions
- Works well as a windbreak protect more vulnerable crops
- Sorghum is useful for flushing as it encourages the birds to lift above the cover
- Sowing rate: 12kg per acre.
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Texsel greens are a fast growing, shiny leaved brassica developed from Ethiopian mustard. Very easy to establish and provide frost hardy cover.
- Produces a broken canopy, ideal for flushing birds.
- Texel Greens are fast and easy to establish.
- Frost hardy cover crop.
- Ideal for suppressing weeds.
- Sowing rate: 2kg per acre. Pack Size: 2kg. Treated seed.
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Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
Red Millet is best sown alongside other crops to provide a source of food which will help to keep birds in the covers.
- Will produce a plentiful supply of small seeds for birds
- Often sown in conjunction with maize or kale
- Red millet is earlier maturing than white millet
- Susceptible to frost
- Sowing rate: 5kg acre.
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Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
White millet is a popular choice as it provides cover and a source of food. Particularly attractive to English and French partridges.
- Produces a plentiful supply of small seeds for birds
- Often sown in conjunction with maize or kale
- It is vigorous and will grow to a height of up to 90cm
- Thicker leaved and higher seed production than red millet
- Sowing rate: 5kg acre.
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