Dalea Species, Purple Prairie Clover, Violet Prairie Clover

Daleapurpurea

Family
Fabaceae (fab-AY-see-ee)
Genus
Dalea (DAY-lee-uh)
Species
purpurea (pur-PUR-ee-uh)
Synonym
Dalea violacea
Kuhnistera violacea
Petalostemon purpureum
Petalostemon violaceum
Psoralea purpurea
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing
18-24 in. (45-60 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)
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)
Danger
N/A
Bloom Color
Lavender
Medium Purple
Bloom Time
Mid Summer
Other Details
Category
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information
Non-patented
Propagation Methods
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

El Sobrante, California

Richmond, California

Denver, Colorado

Kankakee, Illinois

Barbourville, Kentucky

Belton, Missouri

Blair, Nebraska

Lincoln, Nebraska

Elizabeth City, North Carolina

Norman, Oklahoma

Lititz, Pennsylvania

Fort Worth, Texas

Lipan, Texas

San Antonio, Texas

Santo, Texas

Kalama, Washington

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Gardener's Notes:

0
positive
3
neutrals
0
negative
Sort By:
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J
Southeast, WI | January 2016 | neutral

I'm having a hard time with this plant. I started one indoors last Spring, as well as some that I seeded directly into the garden. The on...Read More

J
J
Palmyra, IL (Zone 5b) | January 2005 | neutral

The flowers attract many kinds of insects, including long-tongued bees, short-tongued bees, wasps, flies, small butterflies, skippers, be...Read More

L
Jeffersonville, IN (Zone 6a) | August 2003 | neutral

This is purple prairie clover's second year in my garden and it still isn't doing anything. Maybe it's really slow to grow, or maybe they...Read More

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