Annual Blue Lupins

Annual Blue Lupins

Lupinus angustifolius

 

Also, know as narrow-leaf lupin. 

  • the multipurpose annual legumes are grown throughout the world for their seeds used in feed and food, and for forage crops
  • very deep-rooted about 2.5 m
  • strong erect plant with hairy stems growing up to 1.6 m in height
  •  self-seeding annual legume
  • blue pea-like flowers self-pollinating.

 

Pros

  • useful in self-seeding annual pasture for winter or summer grazing
  • is productive on infertile sandy soils
  • provides nitrogen for companion plants
  • likes annual rainfall 300 to 700 mm 
  • likes deep sandy soils over 0.5m
  • quality lupin seed for stock feed in summer
  • suitable rhizobium is widespread 
  • can be killed by frost

 

cons

  • the presence of alkaloids make the stems and seed bitter 
  • lupinosis and high alkaloids can cause animal health risks 
  • can more severe non-wetting problems on sands
  • can shade out other pasture species if left dense and ungrazed 
  • frost and waterlogging susceptible 
  • large pods that shatter when mature making it challenging to harvest
  • Produces 'hard' seeds and can remain viable in the soil for up to 20 years. Making it almost impossible to eradicate 

 

Pasture mix

Any annual pasture plant suitable for infertile sands.