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Carolina larkspur

Scientific Name: Delphinium carolinianum ssp. calciphilum

Family: Ranunculaceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Carolina Larkspur (Delphinium carolinianum)

Also known as Blue Larkspur, Prairie Larkspur, Plains Larkspur, White Larkspur, and Espuela del caballero, Carolina Larkspur (Delphinium carolinianum) is a captivating wildflower native to the United States.

Considerations for Pets

  • This plant has spurred flowers.

Considerations for Children

  • This plant has spurred flowers.

Taxonomy and Nomenclature

  • Scientific Name: Delphinium carolinianum Walter
  • Family: Ranunculaceae (Buttercup family)
  • Genus: Delphinium (From Greek delphinion, derived from the Greek word for "dolphin" because of the shape of some flowers.)
  • Subspecies:
    • Delphinium carolinianum ssp. calciphilum M.J. Warnock
    • Delphinium carolinianum ssp. carolinianum
    • Delphinium carolinianum ssp. virescens
    • Delphinium carolinianum ssp. vimineum
  • Synonyms: Delphinium azureum, Michx.

Distribution and Habitat

Carolina Larkspur thrives in prairies and grasslands. It is native to the United States, with mentions of its presence in Minnesota, Colorado, Arkansas, Illinois, and Florida (where it is listed as a state-endangered species). It is uncommon in the mountains and rare in the Piedmont and Coastal Plain.

Morphological Characteristics

  • Grows to approximately 4 feet tall.
  • Features small, irregular-shaped flowers with a spur at the back.
  • Flower colors range from deep blue, reddish-blue, or white.
  • Flowers are arranged in loose to dense spike-like clusters.
  • Individual flowers are approximately 1 inch in size.

Additional Information

  • Blooms from May to July.
  • Adapts to a variety of soils, including clay, preferring medium to moderately dry moisture levels and part shade.

Further Resources

  • USDA-NRCS PLANTS Database
  • Discover Life
  • Plant Delights Nursery, Inc.