Dalea purpurea var. purpurea (Purple prairie clover)

Formerly Petalostemon purpureus. Native, warm season non-toxic leguminous perennial with pink to purple flowers, blooming June to September. Deep woody, stout taproot. Adapted to well-drained soils of hillsides, prairies and plains; up to 8,000 ft. elevation. Highly palatable browse to ungulates and many types of wildlife. Intolerant of overgrazing. Attracts numerous bees and is the larval host plant of the Southern dogface butterfly. Use for restoration, beautification, roadsides and habitat improvement. Varieties listed below.

DISTRIBUTION / ADAPTATION

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INFORMATION & ATTRIBUTES

Family: Fabaceae

Duration: Perennial

Growth Habit: Forb/herb/subshrub

Native Status: Native

Growth Form: Multiple stem

Mature Height: 36 in.

Bloom Color: Purple

Bloom Period: Summer

Annual Precipitation: 16-24 in.

Drought Tolerance: Medium

Shade Tolerance: Intolerant

Elevation:

Wetland Indicator Status:

Fire Resistance: No

Fire Tolerance: Medium

Nitrogen fixation: Low

SOIL ADAPTATION

Coarse Texture: Yes

Medium Texture: Yes

Fine Texture: Yes

Salinity Tolerance: None

CaCO3 Tolerance: Medium

pH Range: 6.0-8.0


SEEDING NOTES

Seeds per Pound: 317,000

Seeding Rate: 3 PLS lbs/acre

Season:

Days to Germination:


VARIETIES & LOCAL ACCESSIONS

Bismark - Superior vigor, foliage abundance and above average seed yield. Northern adaptation. (Released 2000)

Kaneb - Good vigor, height and stand development. (Released 1975)