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Kale & Forage Rape Seed - Game Cover

Kale is one of the most popular game cover crops currently used in the UK. Kale is winter hardy, can be utilised for the whole shooting season and has the advantage of being able to last for two seasons. Pheasants find it particularly attractive as it has a thick canopy which gives cover and bare ground underneath the canopy to allow for easy movement. 


Forage Rape is very useful as a rescue crop for failed spring sown crops. Forage Rape will establish quickly and provide thick cover into the new year.


For further advice call Boston Seeds on 01205 280069 or email info@bostonseeds.co.uk, or click here for advice on game cover seed and sowing guidelines.  

Thousand Head Kale Seed

Thousand Head Kale is a popular, tired 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. Pack Size: 2kg.

Bittern Kale Seed

A dual-purpose variety commonly used in game cover mixtures and over winter feed rotations. 


  • A medium height variety 
  • Winter Hardy
  • Club root resistant 
  • Sowing rate: 2kg per acre. Pack size: 5kg

Bombardier Kale Seed

A new variety with the potential to deliver high dry matter yields making it and ideal choice for dairy, beef or lamb producers.


  • A taller stemmed variety with excellent resistance to lodging
  • High leaf to stem ratio
  • Sowing rate: 2kg per acre. Packsize: 1-2kg

Caledonian Kale Seed

Caledonian Kale is the first variety to be bred with resistance to club root. A taller variety which gives easier access for birds underneath the leaf canopy. 


  • Taller variety to allow birds to move freely under the leaf canopy
  • Club root resistant, can be sown on sites suffering from brassica sickness
  • Specially bred for UK conditions. Excellent germination and early vigour
  • Sowing rate: 2kg per acre. Pack size 2kg 

Carbon Kale and Mustard Hybrid Seed

Carbon is a new and unique game cover crop which combines the excellent cover of kale with the easy and rapid establishment of mustard. 


  • Produces amazing cover in a short period of time
  • Excellent frost tolerant cover by November
  • Can be used for new sowing or for patching failed crops
  • Best sown in June or July.
  • Sowing rate: 2kg per acre. Pack size: 2kg

Goldeneye Kale Seed

Goldeneye Kale is a giant type kale especially bred for the game cover market, selected for the optimum combination of height and leaf production. 


  • It has a leafy top, strong stem, good winter hardiness and good field tolerance of disease, making it the ideal choice for game cover usage
  • Goldeneye achieves a higher vigour score than Caledonian kale and better club root tolerance.
  • Sowing rate: 2kg per acre. Pack Size: 2kg

Grampian Kale Seed

Grampian Kale is a variety bred in Scotland, which will produce excellent autumn/ winter feeds for sheep and dairy cows.

  • Very high yields, UK proven 
  • Club root resistant, can be used in outwintering systems
  • Excellent digestibility
  • Thiram & Sepiret treated 
  • Sowing rate: 2kg per acre. Pack size 2kg 

Gruner Angeliter Kale Seed

A very tall variety with excellent winter hardiness. A branching, umbrella shaped canopy creates plenty of room underneath for pheasants and partridges.


  • A very high yielding variety, good winter hardiness and excellent feeding quality
  • Fresh yields 15% higher than Caledonian Kale and 10% higher than Bittern
  • Has been tried and tested for many years and is still very popular today
  • Sowing rate: 2kg per acre. Pack Size: 2kg

Interval Rape and Kale Hybrid Seed

Interval is a hybrid variety, produced by crossing rape and kale together. Creates a thick, leafy canopy only a short period of time.


  • 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. Packsize: 2kg Treated, 5kg Untreated 

Sovereign Kale Seed

Sovereign Kale was in agronomic tests, shown to have good dry matter yields and excellent leaf-to-stem ratio, thereby increasing stock utilisation and animal performance. 
  • Successfully tested for winter hardiness and keeping ability, it has the potential to maintain good quality production over a longer usage period
  • Sovereign does not produce the large thick stems common to giant kales even when planted at lower density, therefore increasing palatability
  • Sowing rate: 2kg per acre. Pack Size: 2kg

Sparta Forage Rape

Sparta Forage Rape has a high protein content and high dry matter yield. Late flowering variety that will perform well whether sown for summer, autumn or winter use. 
  • Good winter hardiness
  • Clubroot tolerant
  • Sowing rate: 2.5kg per acre. Pack Size: 10kg and 25kg

Zoom Brassica Mixture

Zoom Brassica Seed Mixture is a blend of Winfred Hybrid Brassica and Forage Rape. A vigourous and quick growing seed mixture making it ideal for failed crops.


  • Provide cover for a whole season
  • Very vigorous and quick growing, ideal for replacing failed crops or patching
  • Good disease and bolting resistance
  • Blend of 50% Winfred Hybrid Brassica and 50% Napoleon Forage Rape
  • Sowing rate: 2.5kg per acre. Pack Size: 5kg

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