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PlantFiles: Streamside Lupine
Lupinus polyphyllus

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Family: Papilionaceae (pa-pil-ee-uh-NAY-see-ee) (Info)
Genus: Lupinus (loo-PIE-nus) (Info)
Species: polyphyllus (pol-ee-FIL-us) (Info)

4 vendors have this plant for sale.

15 members have or want this plant for trade.

Category:
Perennials

Height:
12-18 in. (30-45 cm)

Spacing:
6-9 in. (15-22 cm)

Hardiness:
USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)

Sun Exposure:
Sun to Partial Shade

Danger:
Seed is poisonous if ingested

Bloom Color:
Bright Yellow
Blue-Violet

Bloom Time:
Unknown - Tell us

Foliage:
Grown for foliage
Blue-Green
Smooth-Textured

Other details:
Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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There are a total of 9 photos.
Click here to view them all!

Profile:

1 positive
2 neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive elaird On Jun 18, 2005, elaird from Boone, NC wrote:

I live in the mountains of North Carolina. It rains a lot here; the elevation keeps the temperature moderate; and the soil is naturally acidic. That's pretty much the dream conditions for Lupines. Here, all you have to do is plant them and ignore them and they thrive. It's a beautiful plant. The flower is dramatic, and the leaves are unique. A young plant will have one large flowering spire, and as it matures, it can develop many spires. I highly recommend it for anyone in this region.

Neutral Evert On Aug 11, 2001, Evert from Helsinki
Finland (Zone 4b) wrote:

Grows like a weed in anykind of soil, even in sand. Invasive weed in Finland. Blooms in May-June here. Can grow also in US zone 2. Easy to grow from seeds, sow outside in autumn or spring.

Neutral Sis On Aug 10, 2001, Sis wrote:

Temp;Sensitive to high summer temps.Protect from hot,dry winds.

No serious pests or diseases.

Heavy feeders and must have moist but well-drained,acid,humus-rich soil.

Regional...

This plant has been said to grow in the following regions:

Richmond, California
Mason, Michigan
Boone, North Carolina
Clyde, North Carolina
Kalama, Washington



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