Sky-blue Lupine
Lupinus diffusus

Family: Papilionaceae (pa-pil-ee-uh-NAY-see-ee) (Info)
Genus: Lupinus (loo-PIE-nus) (Info)
Species: diffusus (dy-FEW-sus) (Info)

Category:

Perennials

Height:

24-36 in. (60-90 cm)

Spacing:

18-24 in. (45-60 cm)

Hardiness:

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)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:

Full Sun

Danger:

All parts of plant are poisonous if ingested

Bloom Color:

Light Blue

Medium Blue

Bloom Time:

Late Winter/Early Spring

Mid Spring

Foliage:

Silver/Gray

Velvet/Fuzzy-Textured

Other details:

Drought-tolerant; suitable for xeriscaping

This plant is attractive to bees, butterflies and/or birds

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Non-patented

Propagation Methods:

From seed; direct sow after last frost

Scarify seed before sowing

Seed Collecting:

Unknown - Tell us

Regional

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

Boynton Beach, Florida

Holmes Beach, Florida

Inverness, Florida (2 reports)

Navarre, Florida

Sarasota, Florida

Tampa, Florida

Valparaiso, Florida

Manton, Michigan

Columbia, South Carolina

Austin, Texas

North Bend, Washington

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Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Mar 9, 2007, farmstead from Inverness, FL (Zone 9b) wrote:

Grows right through low 30's with bright-green foliage. Attracts buterflies and will become host to tens of caterpillars. I will definitely propogate this wonderful wildflower on our farm!