Shipping of dormant bare root plants will continue throughout the winter months.

Shipping for containerized plants has ended for 2018. We are now accepting advance orders to reserve plugs for 2019. Details and availability are on the individual species pages.  

Free shipping on ALL plant orders!

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)

Pricing & Availability


Some plants might not be available to you due to quarantine restrictions, or nursery limitations.

To make it easier for you to buy locally, we will sort the available nurseries based on their distance to your garden.


Delphinium exaltatum

Also known as:

tall larkspur


Scientific Synonyms:


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.


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


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:

USDA Endangered Status:

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


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