Dalea purpureum (Petalostemon)

Purple Prairie Clover

A prairie wildflower, Purple Prairie Clover is a heavy bloomer with intensely red-violet flowers at the tips of the stiff, upright stems. Being a deep-rooted legume, Purple Prairie Clover also adds valuable nitrogen to the soil. Drought resistant/drought tolerant plant (xeric).
Zones3 - 9
Advantages
Native
Light Requirements
Full Sun
Mature Height18" tall
Mature Spread18" wide
Bloom TimeSummer
ShippingNo longer available this season. Learn More…
SizePlant - 2.5" Pot
SKUHC014680

USDA Hardiness Planting Zones

To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter.

  • If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will survive the winter temperatures in your area.
  • If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. The lack of freezing winter temperatures do not provide a time for winter dormancy (rest).

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SKU
HC014680

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Details
18" tall x 18" wide (seed propagated). This prairie wildflower that endears itself to everyone who sees it in flower. Purple Prairie Clover is a heavy bloomer. The intensely red-violet flowers punctuate the stiff, upright stems, adding a nice structural element to the garden. Being a deep-rooted legume, Purple Prairie Clover adds valuable nitrogen to the soil and helps keep it fertile for neighboring plants. Well adapted to many different soil types, even tolerating clay.
More Information
SKUHC014680
Item Package Size
Plant - 2.5" Pot
Common Name
Purple Prairie Clover
Botanical Name
Dalea (Petalostemon) purpureum
Zones
3, 4, 5, 6, 7, 8, 9
Light Requirements
Full Sun
Flower Color
Purple
Mature Height
18" tall
Mature Spread
18" wide
Bloom Time
Summer
Ships As
Potted Plant
Advantages
Native
Planting Time
Fall
Native To
North America
Ships To Canada
No
Planting Guides

Planting And Growing Tips For Prairie Clover (Dalea) a genus of New World wildflowers that includes both woody and herbaceous species. These plants are legumes and fix nitrogen into the soil. Preferred growing conditions:

  • Plant in most any soil including clay with full sun conditions.
  • Mulching is not needed.
  • Water regularly the first growing season to establish the plants. Once established, infrequent, deep watering is fine.
  • Fertilizing is not needed, as they are legumes that fix nitrogen from the air and put it into the soil.
  • Special comments:

  • Allow the herbaceous types to re-seed. Seeds are also eaten by songbirds, so deadheading is not recommended.

View more Planting Guides, or download our complete Planting Guide for tips on caring for your plants when you receive your order, as well as planting instructions for Perennials, Spring-Planted Bulbs, Fall-Planted Bulbs, Cacti & Succulents, Xeric Plants and more.
Shipping

No longer available this season.

As soon as your order is placed you will receive a confirmation email. You will receive a second email the day your order ships telling you how it has been sent. Some perennials are shipped as potted plants, some as perennial roots packed in peat.  The ‘Plant Information’ section describes how that item will ship. All perennials and spring-planted bulbs are packaged to withstand shipping and are fully-guaranteed. Please open upon receipt and follow the instructions included.

Perennials and spring-planted bulbs are shipped at the proper planting time for your hardiness zone. Perennial and spring-planted bulb orders will arrive separately from seeds. If your order requires more than one shipment, there is no additional shipping charge. See our shipping information page for approximate ship dates and more detailed information. If you need express shipping or have any questions, please call Customer Service toll-free at (800) 925-9387 or contact us by email.

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