Annual Blue Lupins
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.
- 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
- 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
Any annual pasture plant suitable for infertile sands.