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Delphinium carolinianum ssp. virescens
Delphinium carolinianum Walter ssp. virescens (Nutt.) R.E. Brooks
Carolina larkspur, Prairie larkspur, Plains larkspur
Synonym(s): Delphinium albescens, Delphinium carolinianum ssp. penardii, Delphinium penardii, Delphinium virescens, Delphinium virescens ssp. penardii, Delphinium virescens var. macroceratilis, Delphinium virescens var. penardii
USDA Symbol: DECAV2
USDA Native Status: L48 (N), CAN (N)
Prairie larkspur is a slender, erect perennial, unbranched or branched near the ground to form a clump 1-3 ft. tall. A terminal spike of white, spurred flowers, tinged purple, is borne well above the mostly basal, deeply cleft leaves.
Mature plants may disappear in hot weather, reappearing when the weather has become cooler.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: White , Blue
Bloom Time: Apr , May , Jun , Jul
, WI Native Distribution:
Alt. to WI,
s. to AZ
& AL Native Habitat:
Prairies; dry, open woodlands
Growing ConditionsLight Requirement: Sun
Soil Moisture: Moist
Soil Description: Various mesic to dry, limey soils.
Conditions Comments: Mature plants may disappear in hot weather, reappearing when the weather has become cooler.
Seeds ground and soaked in alcohol to kill head
Plants of the genus
Delphinium contain toxins, and no parts of them should ever be eaten. They can be fatally poisonous to both humans and animals. Sensitivity to a toxin varies with a personís age, weight, physical condition, and individual susceptibility. Children are most vulnerable because of their curiosity and small size. Toxicity can vary in a plant according to season, the plantís different parts, and its stage of growth; and plants can absorb toxic substances, such as herbicides, pesticides, and pollutants from the water, air, and soil. Conspicuous Flowers:
PropagationPropagation Material: Seeds
Description: Sow fresh seeds in fall or dry stratifited seed in May. Germination may take months. Adult plants can be divided in spring.
Seed Collection: Collect seed in May.
Seed Treatment: Very slow-growing and vulnerable to damping off. Seed out in Nursery bed, rather than growing in greenhouse.
Commercially Avail: yes
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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:
Lady Bird Johnson Wildflower Center
- Austin, TX
Herbarium Specimen(s)NPSOT 0167
Collected Apr. 24, 1987 in Bexar County by Harry CliffeNPSOT 1081
Collected May 10, 1996 in Guadalupe County by Elizabeth W. Hughes
Record Last Modified: 2010-11-27
Research By: TWC Staff