Photo by Melody

PlantFiles: Blue Corydalis
Corydalis elata

Family: Fumariaceae (foo-mar-ee-AY-see-ee) (Info)
Genus: Corydalis (kor-ID-ah-liss) (Info)
Species: elata (el-AH-tuh) (Info)

2 vendors have this plant for sale.

12 members have or want this plant for trade.

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12-18 in. (30-45 cm)

6-9 in. (15-22 cm)
9-12 in. (22-30 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:
Sun to Partial Shade
Light Shade

Parts of plant are poisonous if ingested

Bloom Color:
Medium Blue

Bloom Time:
Mid Spring
Late Spring/Early Summer


Other details:
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater

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 rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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There are a total of 11 photos.
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4 positives
1 neutral
No negatives

Gardeners' Notes:

Positive GeeLily On Jun 20, 2008, GeeLily from Mission
Canada wrote:

Utterly delightful, but rather taller than I was expecting after growing other corydalis of more diminutive stature. Mine is about 2 1/2 ft. and magnificent, growing in rich soil with afternoon shade on a fairly sunny north side of the house (About 6 hrs full sun midday in summer.) It's increased in size at least 3x since it's purchase last spring. I love the scarlet hued stems and dotting on the leaves. The flowers are rich, intense TRUE cobalt BLUE! A hard to find colour indeed. Blooms June-Sept- If you like dicentras you'll love this plant. Does not self seed readily, (but I hope it will try this year.)

Positive karen_in_AK On May 30, 2007, karen_in_AK from Anchorage, AK (Zone 3b) wrote:

I added this plant to my garden a couple of years ago (in 2004), and it's made it through the winter successfully every year since. A truly lovely plant, it's foliage is as attractive as the flowers. I successfully propagated a couple of plants this year from it's seed - which made me very happy since it was a "one time deal" from the nursery I originally got it from.

Positive JenniferE On Jun 13, 2006, JenniferE from Lebanon, PA (Zone 6a) wrote:

I tried (unsuccessfully) a few times to grow various Corydalis flexuosa varieties. I had almost given up on ever having the blue flowers of Corydalis until I tried elata. I am thrilled! I planted mine last year, and it survived and is now blooming. I am always in search of hardy perennials with truly blue flowers. (My definition of blue is significantly narrower than the one used by many catalogs and books.) I have found a winner here!

Positive jazmama On Aug 14, 2004, jazmama from Santa Cruz, CA wrote:

Very delicate. Leaves are lacy and grow in triplets, similar to Columbine.

Neutral Joy On Oct 13, 2001, Joy from Kalama, WA (Zone 8b) wrote:

Fragrant cobalt blue. Blooms May-June with shade.
Rich moist soil. Does not grow dormant and is more upright than other types.


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

Anchorage, Alaska
Santa Cruz, California
Camden, Maine
Bridgewater, Massachusetts
Jamaica Plain, Massachusetts
Lexington, Massachusetts
Columbus, Ohio
Lebanon, Pennsylvania
Moretown, Vermont
Kalama, Washington

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