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Delphinium exaltatum

Delphinium exaltatum Aiton

Tall larkspur

Ranunculaceae (Buttercup Family)



USDA Native Status: L48 (N)

A large, coarse plant with a 2-6 ft. leafy stem; deep-green, lobed leaves; and blue, spurred flowers in a loose, narrow, terminal spike.


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Plant Characteristics

Duration: Perennial
Habit: Herb
Size Class: 3-6 ft.

Bloom Information

Bloom Color: Blue
Bloom Time: Jul , Aug , Sep


USA: AL , KY , MD , ME , MO , NC , OH , PA , TN , VA , WV
Native Distribution: PA to NC, w. to OH & AL
Native Habitat: Woods; slopes

Growing Conditions

Light Requirement: Part Shade
Soil pH: Circumneutral (pH 6.8-7.2)
Soil Description: Rich, calcareous soils.
Conditions Comments: Gives midsummer color and requires no special care.


Description: Propagation by seeds and division.
Seed Collection: Seeds are formed dry in a pod, which call for close observation in order to collect seeds before they are thrown out.
Seed Treatment: Not Available
Commercially Avail: yes

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

View propagation protocol from Native Plants Network.

From the National Suppliers Directory

According to the inventory provided by Associate Suppliers, this plant is available at the following locations:

Enchanter's Garden - Hinton, WV
American Native Nursery - Quakertown, PA
Prairie Nursery - Westfield, WI

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:

Delaware Nature Society - Hockessin, DE
Native Seed Network - Corvallis, OR
Mt. Cuba Center - Hockessin, DE
* Available Online from Wildflower Center Store


* The Midwestern Native Garden: Native Alternatives to Nonnative Flowers and Plants An Illustrated Guide (2011) Adelman, Charlotte and Schwartz, Bernard L.

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Additional resources

USDA: Find Delphinium exaltatum in USDA Plants
FNA: Find Delphinium exaltatum in the Flora of North America (if available)
Google: Search Google for Delphinium exaltatum


Record Last Modified: 2012-12-07
Research By: TWC Staff

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