Consolida, Rocket Larkspur, Giant Larkspur

Consolida ajacis

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Consolida (kon-SO-lih-duh) (Info)
Species: ajacis (a-JAY-sis) (Info)
Synonym:Consolida ambigua
Synonym:Delphinium ajacis
Synonym:Delphinium ambiguum
Synonym:Delphinium pauciflorum
Synonym:Delphinium simplex



Water Requirements:

Average Water Needs; Water regularly; do not overwater

Sun Exposure:

Full Sun



Foliage Color:

Unknown - Tell us


18-24 in. (45-60 cm)


9-12 in. (22-30 cm)


Not Applicable

Where to Grow:

Unknown - Tell us


All parts of plant are poisonous if ingested

Bloom Color:



Light Blue

Dark Blue

Medium Blue



Medium Purple

White/Near White

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Bloom Size:

Unknown - Tell us

Bloom Time:

Late Spring/Early Summer

Other details:

Unknown - Tell us

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:

From seed; direct sow outdoors in fall

From seed; stratify if sowing indoors

Seed Collecting:

Allow seedheads to dry on plants; remove and collect seeds

Properly cleaned, seed can be successfully stored


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

Calistoga, California

Canoga Park, California

Capistrano Beach, California

Patterson, California

Sanford, Florida

Trenton, Florida

Morris, Illinois

Mount Prospect, Illinois

Washington, Illinois

Flora, Indiana

Kirklin, Indiana

Dubuque, Iowa

Olathe, Kansas

Ewing, Kentucky

Hebron, Kentucky

Franklin, Louisiana

Frederick, Maryland

Gambrills, Maryland

Minneapolis, Minnesota

Saint Paul, Minnesota

Mathiston, Mississippi

Hartsburg, Missouri

Helena, Montana

Union, New Jersey

Las Cruces, New Mexico

Himrod, New York

Ithaca, New York

Ronkonkoma, New York

Lake Toxaway, North Carolina

Tipp City, Ohio

Toledo, Ohio

Gold Hill, Oregon

Columbia, South Carolina

Sumter, South Carolina

Cookeville, Tennessee

Lafayette, Tennessee

Austin, Texas

Brazoria, Texas

Bulverde, Texas

Fort Worth, Texas

Garland, Texas

Hereford, Texas

Houston, Texas

Laredo, Texas

Midland, Texas

Montague, Texas

New Caney, Texas

San Antonio, Texas

Spicewood, Texas

Ogden, Utah

Salt Lake City, Utah

Tremonton, Utah

Bothell, Washington

Kalama, Washington

Pullman, Washington

Spokane, Washington

Medford, Wisconsin

Porterfield, Wisconsin

show all

Gardeners' Notes:


On Nov 22, 2006, Marilynbeth from Hebron, KY wrote:

I have always loved growing and enjoying the beautiful blooms. Always let it go to seed too.


On Sep 13, 2005, Scorpioangel from Gold Hill, OR (Zone 7a) wrote:

I sowed seeds for these over 10 years ago and they are still around. I treat them as weeds and pull up the ones that are growing where they aren't wanted. Another good plant for a dryland area. Bees and butterflys love this plant.


On Mar 6, 2005, northgrass from West Chazy, NY (Zone 4b) wrote:

Self-sow with abadon, making a really good show in early summer.
They do better thinned out. I even experimented pinching back some of the plants before the buds form, making them bushier and blossoming a little later.
They resent the summer heat by looking quite straggly in mid-season. At this point, they can just be pulled out as there are enough seeds in the ground by then to assure next year generation.
The seed are easy to grow. I started mine in flats about 3 weeks before planting outside just because I do not do very well planting anything directly outside.


On Nov 9, 2004, lmelling from Ithaca, NY (Zone 5b) wrote:

Wonderful to grow here in zone 5 as an annual, although it often self seeds and you have a few volunteers the following season. I grow it in order to cut and dry for use in dried arrangements. All types will dry, but the big double showy blue, hot pink and lavender flowers provide the most dramatic accents.

Mine generally thrive in full sun, well drained soil. I've had good and bad results when sowing in late april. I generally cover the seeds with remay cloth set about 6"-10" above on stakes. This helps protect the seeds and seedlings should we get a good frost, which sometimes occurs as late as the end of May here. The worst results - 95% die off occurred when we had an extremely wet spring with May rains topping the 6" mark. During an average May with approximate... read more


On Aug 11, 2004, MN_Darren from Saint Paul, MN wrote:

These are really easy in Minnesota. They do reseed on their own, but I prefer to disturb the soil and plant new ones every spring. I put them in the ground as soon as the soil is workable, which around here is near the spring equinox. Water the soil regularly until they appear. The seedlings are definitely frost hardy. The only problem I have had is occasional attacks from aphids, which can be controlled pretty easily. They reseed in your lawn too, where they grow quite well even after mowing, so watch out!


On May 23, 2004, Yaya7 from Laredo, TX wrote:

This is the classic 'grandmother's garden' plant! I love it! It really does evoke memories of my grandma growing it in her garden. I bought 4 already blooming plants and they did fine in the garden. This plant is probably my alltime favorite. The only thing I have not been successful in is in getting it to grow when I strew the seeds in the soil.


On Dec 11, 2003, dogbane from New Orleans, LA (Zone 9a) wrote:

I remember these being naturalized in a neglected cemetary when I was a kid. They put on a spectacular show every Spring for years.


On Apr 8, 2003, Kelli from L.A. (Canoga Park), CA (Zone 10a) wrote:

Mine came up on their own a few years ago and have been self-sowing ever since. The most common ones are the dark almost-blue single ones, but I also get that color in the double form, and light purple in the single, double, and quadruple form. I also get single light pink ones, but I don't care much for those.


On Jul 18, 2002, Wingnut from Spicewood, TX (Zone 8b) wrote:

One of the first things to sprout in spring. Reseeds wonderfully here in my zone 8b garden. Beautiful 1" wide purple blooms atop two or three foot tall stalks of ferny blue-green foliage. It's all over by the time temps reach 90 degrees.


On Aug 29, 2001, Sis wrote:

Big dbl.blooms to 2in.across, cover extra
dwarf 2ft.plants'


On Aug 12, 2001, lantana from (Zone 7a) wrote:

Easy from seed. Self-sows. Best sown in the fall. Low nitrogen is best for flower production. Can become invasive. Plant in full sun or part shade.
Tincture of seed is insecticidal.