Lupinus diffusus (Oak ridge lupine)

Cultivation

Difficult to cultivate. Grow in sharply-drained, sandy, preferably acid to neutral soil in full sun. Typically does not flower its first year, blooming profusely its third year, rarely surviving into a fourth season. Difficult to transplant due to a deep taproot. Typically not available for purchase and should be encouraged to grow naturally.

Suggested uses

Containers/Patio, Coastal, Beds and borders, Cottage/Informal, Drought Tolerant, Bees (attract & feed bees)

UK hardiness

H4

USDA zones

Zone 8, Zone 9, Zone 10

Sunset zone

WUCOLS

North-Central Coastal = Unknown
Central Valley = Unknown
South Coastal = Unknown
South Inland = Unknown
High and Intermediate Desert = Unknown
Low Desert = Unknown

Foliage

Deciduous

Habit

Cushion or Mound Forming, Compact

Native to

Southeastern United States

Drought tolerant

Yes

Flood tolerant

No

Toxicity

All parts of the plant may cause severe discomfort if ingested.