Photo by Melody

PlantFiles: Spring Larkspur, Dwarf Larkspur
Delphinium tricorne

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Delphinium (del-FIN-ee-um) (Info)
Species: tricorne (TRY-korn-ee) (Info)

4 vendors have this plant for sale.

11 members have or want this plant for trade.


18-24 in. (45-60 cm)

6-9 in. (15-22 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)

Sun Exposure:
Partial to Full Shade

Parts of plant are poisonous if ingested

Bloom Color:
Dark Blue
White/Near White

Bloom Time:
Mid Spring


Other details:
Average Water Needs; Water regularly; do not overwater
This plant is attractive to bees, butterflies and/or birds

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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3 positives
No neutrals
1 negative

Gardeners' Notes:

Positive Jay11 On Jun 18, 2014, Jay11 from Cambridge, MA wrote:

I started this plant from seed (Prairie Moon) in Spring 2013. Although it was tricky, with stratification, I did obtain a few seedlings. Now in June 2014, I have beautiful flowering plants. Also, I planted it in a protected, but not ideal, place. I read that it is unwise to attempt to transplant it, so I will collect seed and see if I can expand my collection. In summary, my experience is that it is a truly lovely plant, well worth the effort to start from seed.

Positive JonthanJ On Apr 10, 2010, JonthanJ from Logansport, IN wrote:

Beautiful stuff! I collected this stuff from under a basswood tree in a cousin's woods, and planted it under another one at home. Once the seedbank built up there was a steady stream of seedlings. The basswood shade is remarkably dense, so the success is about occupying an spring ephemeral niche.

Positive Tiarella On Aug 25, 2004, Tiarella from Tunnel Hill, GA (Zone 7a) wrote:

This is a gorgeous native plant. I have a few of the dark purple and a couple of the white with a purplish tinge. Unfortunately, the white ones get lost among the other white flowers in the woodland garden, but nothing beats the deep purple ones for color.

Mine are slowly spreading about. It takes two periods of cold stratification for the seed to germinate, which equals 2 winters for lazy me who just lets them self-seed in the garden rather than enlisting the fridge's help. Plus we've been plagued with drought for a few years which hasn't helped the seedlings survive. The adult plants have thrived regardless.

Negative TWINJONIE2 On Aug 1, 2003, TWINJONIE2 wrote:

I live in Oregon, and I have had trouble growing this plant. I just love the look of it, but it does not seem to want to live at my house. My daughter has also trie to grow it at her home also in Oregon, with no luck. Not sure what we are doing wrong.


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

Auburn, Alabama
Guntersville, Alabama
Houston, Alabama
Georgetown, California
Jacksonville, Florida
Tunnel Hill, Georgia
Palmyra, Illinois
Logansport, Indiana
Vincennes, Indiana
Louisville, Kentucky (2 reports)
Melbourne, Kentucky
Salvisa, Kentucky
Denham Springs, Louisiana
Cambridge, Massachusetts
Cole Camp, Missouri
Bend, Oregon
Norristown, Pennsylvania
Clarksville, Tennessee
Viola, Tennessee

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