Photo by Melody

PlantFiles: Rocket Larkspur
Consolida ambigua

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Consolida (kon-SO-lih-duh) (Info)
Species: ambigua (am-big-yoo-uh) (Info)

Synonym:Consolida ajacis
Synonym:Delphinium ajacis
Synonym:Delphinium ambiguum

3 vendors have this plant for sale.

30 members have or want this plant for trade.


18-24 in. (45-60 cm)

9-12 in. (22-30 cm)

Not Applicable

Sun Exposure:
Full Sun

All parts of plant are poisonous if ingested

Bloom Color:
Light Blue
Medium Blue
Dark Blue
White/Near White

Bloom Time:
Late Spring/Early Summer


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:
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

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There are a total of 37 photos.
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8 positives
3 neutrals
No negatives

Gardeners' Notes:

Positive Marilynbeth 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.

Neutral Scorpioangel 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.

Positive northgrass 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.

Positive lmelling 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 approximately 4" rainfall, no frost after May 10th, and plentiful sunshine, the seedlings thrived, grew rapidly and began to flower in June. Will continue to flower for me here in a good year until frosts in October.

Positive MN_Darren 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!

Positive Yaya7 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.

Positive dogbane 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.

Positive Kelli 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.

Positive Wingnut 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.

Neutral Sis On Aug 29, 2001, Sis wrote:

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

Neutral lantana 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.


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
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
Porterfield, Wisconsin

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