Photo by Melody

PlantFiles: Prairie Larkspur
Delphinium carolinianum

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Delphinium (del-FIN-ee-um) (Info)
Species: carolinianum (kair-oh-lin-ee-AN-um) (Info)

One vendor has this plant for sale.

7 members have or want this plant for trade.


4-6 ft. (1.2-1.8 m)

3-6 in. (7-15 cm)

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)

Sun Exposure:
Partial to Full Shade

All parts of plant are poisonous if ingested

Bloom Color:
White/Near White

Bloom Time:
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer
Mid Summer


Other details:
May be a noxious weed or invasive
Very high moisture needs; suitable for bogs and water gardens
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Soil pH requirements:
Unknown - Tell us

Patent Information:

Propagation Methods:
From seed; direct sow outdoors in fall

Seed Collecting:
Collect seedhead/pod when flowers fade; allow to dry
Allow seedheads to dry on plants; remove and collect seeds

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By Jeff_Beck
Thumbnail #1 of Delphinium carolinianum by Jeff_Beck

By Jeff_Beck
Thumbnail #2 of Delphinium carolinianum by Jeff_Beck

By AngelinaB
Thumbnail #3 of Delphinium carolinianum by AngelinaB

By Jeff_Beck
Thumbnail #4 of Delphinium carolinianum by Jeff_Beck

By Jeff_Beck
Thumbnail #5 of Delphinium carolinianum by Jeff_Beck

By htop
Thumbnail #6 of Delphinium carolinianum by htop

By frostweed
Thumbnail #7 of Delphinium carolinianum by frostweed

There are a total of 12 photos.
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5 positives
No neutrals
No negatives

Gardeners' Notes:

Positive GrownativeTX On Apr 28, 2014, GrownativeTX from Ft. Worth Zone 8a, TX wrote:

I am not sure the growing information that this plant has high water needs is accurate in all cases, as the one in my yard volunteered between the sidewalk and the grass and was not watered except for rain (which my area is already 6" behind in rainfall (typical annual rainfall should be ~ 32") this year and it's only April). It only got saved from the mower, as I could see the delicate foliage was quite distinct from the grass and the plant was taller and putting on buds, so I decided to wait & see what it was when it bloomed. It was worth the wait. I will try to collect seeds and plant them so I have more next year.

Positive frostweed On Jun 20, 2007, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Prairie Larkspur Delphinium carolinianum is native to Texas and other States.

Positive htop On May 31, 2007, htop from San Antonio, TX (Zone 8b) wrote:

All parts of the plants of the genus Delphinium contain poisons and should never be eaten. Humans and animals can be fatally poisoned by their consumption. Children are most vulnerable because of their small size and natural curiosity. Toxicity varies according to season and the plants' parts and stages of growth. In addition, the plants absorb toxic entities, such as pollutants, pesticides and herbicides from air, water and soil.

Positive erin_buhl On Jun 7, 2004, erin_buhl from Austin, TX (Zone 8b) wrote:

A beautiful, easy wildflower for your meadow planting. Self-sows and can be a bit invasive in my Austin garden. I used to fight it, but I decided instead to enjoy the maintenance-free spring blooms.

Positive AngelinaB On Apr 30, 2004, AngelinaB from Voca, TX wrote:

Grows wild on Highway 71 between Brady and Voca.


This plant has been said to grow in the following regions:

Page, North Dakota
Arlington, Texas
Austin, Texas
Dripping Springs, Texas
Fort Worth, Texas
Lipan, Texas
New Braunfels, Texas
San Antonio, Texas
Santa Fe, Texas
Leesburg, Virginia

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