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Lupinus polyphyllus - Lindl.

Common Name Big-Leaf Lupin, Lupine
Family Fabaceae or Leguminosae
USDA hardiness 5-9
Known Hazards The seed of many lupin species contain bitter-tasting toxic alkaloids, though there are often sweet varieties within that species that are completely wholesome[65, 76]. Taste is a very clear indicator. These toxic alkaloids can be leeched out of the seed by soaking it overnight and discarding the soak water. It may also be necessary to change the water once during cooking. Fungal toxins also readily invade the crushed seed and can cause chronic illness[65].
Habitats Usually found in wetlands from sea level to 3000 metres[276].
Range Western N. America - British Columbia to California. A garden escape in Britain[17].
Edibility Rating    (1 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (1 of 5)
Care
Fully Hardy Moist Soil Full sun
Lupinus polyphyllus Big-Leaf Lupin, Lupine


http://commons.wikimedia.org/wiki/User:KENPEI
Lupinus polyphyllus Big-Leaf Lupin, Lupine

 

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Summary

Bloom Color: Blue, Orange, Pink, Purple, Red, White, Yellow. Main Bloom Time: Early summer, Late spring. Form: Upright or erect.


Physical Characteristics

 icon of manicon of flower
Lupinus polyphyllus is a PERENNIAL growing to 1.5 m (5ft) at a medium rate.
It is hardy to zone (UK) 3. It is in flower from July to August, and the seeds ripen from July to October. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees.
It can fix Nitrogen.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: acid and neutral soils and can grow in very acid soils.
It cannot grow in the shade. It prefers moist soil and can tolerate drought. The plant can tolerates strong winds but not maritime exposure.

UK Hardiness Map US Hardiness Map

Synonyms

Habitats

 Cultivated Beds;

Edible Uses

Root - raw or cooked[257].1

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.


A decoction of the plant has been used as a tonic[257].

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Other Uses

None known

Cultivation details

Agroforestry Services: Nitrogen  Management: Standard  New Crop  Staple Crop: Protein

Landscape Uses:Border, Container, Ground cover, Massing, Specimen, Woodland garden. An easily grown plant, succeeding in any moderately good soil in a sunny position[1, 200]. It strongly dislikes excessive winter wet[1]. Requires an acid to neutral soil[200]. Succeeds in poor soils[60]. Plants can be naturalized in the wild garden, especially on stream banks and for flowering above rough grass, where they may be short-lived but will self-seed[200]. Plants dislike root disturbance. There are some named varieties, selected for their ornamental value[200]. This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[200]. Special Features:Attracts birds, Attractive foliage, North American native, Naturalizing, All or parts of this plant are poisonous, Attracts butterflies, Suitable for cut flowers, Suitable for dried flowers.

Temperature Converter

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Propagation

Pre-soak the seed for 24 hours in warm water and then sow in early spring in a greenhouse[1, 200]. Germination should take place within a couple of weeks. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. It should also be possible to sow the seed in situ in mid spring. It might be necessary to protect the sowing from mice. Division in March. Difficult. Basal cuttings, April in a cold frame. Harvest the shoots when they are about 10cm long with plenty of underground stem. Pot them up into individual pots and keep them in light shade in a cold frame or greenhouse until they are rooting well. Plant them out in the summer.

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Lupinus albusWhite Lupin41
Lupinus albus graecus 40
Lupinus angustifoliusBlue Lupin, Narrowleaf lupine40
Lupinus arboreusTree Lupin, Yellow bush lupine00
Lupinus hirsutus 20
Lupinus littoralisSeashore Lupine20
Lupinus luteusYellow Lupin, European yellow lupine30
Lupinus mutabilisPearl Lupin, Tarwi50
Lupinus nootkatensisBlue Lupine, Nootka lupine30
Lupinus perennisSundial Lupine31
Lupinus tauris 00
Lupinus termisWhite Lupin20

 

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Expert comment

Author

Lindl.

Botanical References

17200

Links / References

For a list of references used on this page please go here

Readers comment

Concerned reader   Thu Mar 30 2006

In its native habitat, this plant thrives in permantly wet organic soil in a region of excessive winter rainfall. The thought that it would not tolerate winter moisture is contrary to the habitat conditions of its native range. Misinformation casts a shadow of doubt across the information presented on this website.

Erin Chichi   Tue Jun 6 2006

I think you should add how long Lupine has been around.

Boguslav Kurlovich   Tue Aug 1 2006

Lupins Geography, classification, genetic resources and breeding

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