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Delphinium exaltatum

tall larkspur add to wishlist

Plant types and subtypes: Perennials

Light Requirements: sun, part-sun

Water Use: medium

Soil Moisture: moist, wet

Soil Description: neutral, rich, average

Height: 2'-4'

Bloom Time: July, August, September

Bloom Color: purple, lavender, blue

Leaf Color: green

Hardiness Zone: 6, 7

Additional Tags: attracts butterflies, cottage garden plant

Flowers of Delphinium exaltatum (tall larkspur)
  • Flowers of Delphinium exaltatum (tall larkspur)
  • Flowers of Delphinium exaltatum (tall larkspur)
  • Flowers of Delphinium exaltatum (tall larkspur)
  • Flowers of Delphinium exaltatum (tall larkspur)

Pricing & Availability

Description

Delphinium exaltatum

Also known as:

tall larkspur

,

Scientific Synonyms:

Description

Delphinium exaltatum produces beautiful blue to lavender, 1" spurred flowers. They are arranged on a tall, loose, narrow, terminal spike. Leaves are cleft into 3 to 5 lobes.

Cultivation

Tall larkspur likes rocky limestone soil in the wild, but seems to do fine in average garden conditions, provided it is in a well drained location. It prefers light shade where summers are hot. Bloom times are from July through September. Zones 6-7

Propagation

Collect seeds from dry pod before they are expelled. Plants may also be divided.

Additional Notes

Delphinium exaltatum may be susceptible to powdery mildew and should be positioned in an area with good air circulation to minimize the risk.

Native Range & Classification

Recorded County Distribution: USDA data

Native Range:
AL, KY, MD, ME, MO, NC, OH, PA, TX, VA, WV

USDA Endangered Status:

  • Endangered: MD, NC, PA, TN
  • Special Concern: NC

Classification

Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Spermatophyta Seed plants
Division Magnoliophyta Flowering plants
Class Magnoliopsida Dicotyledons
Subclass Magnoliidae
Order Ranunculales
Family Ranunculaceae Buttercup family
Genus Delphinium larkspur
Species Delphinium exaltatum tall larkspur