Aquilegia Species, Crimson Columbine

Aquilegiaformosa

Family
Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus
Aquilegia (a-kwi-LEE-jee-a)
Species
formosa (for-MOH-suh)
Synonym
Aquilegia arctica
Aquilegia californica
Aquilegia columbiana
Aquilegia emarginata
Aquilegia hookeri
Sun Exposure
Sun to Partial Shade
Light Shade
Partial to Full Shade
Foliage
Herbaceous
Height
24-36 in. (60-90 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)
Danger
Seed is poisonous if ingested
Parts of plant are poisonous if ingested
Bloom Color
Red-Orange
Bright Yellow
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; stratify if sowing indoors
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Anchorage, Alaska

Alameda, California

Crescent City, California

Knights Landing, California

Los Altos, California

Redwood City, California

Richmond, California

Roseville, California

Sacramento, California

Des Plaines, Illinois

Somerset, Kentucky

Prince Frederick, Maryland

Sparks, Nevada

Mansfield, Ohio

Gold Hill, Oregon

Klamath Falls, Oregon

MOUNT HOOD PARKDALE, Oregon

Portland, Oregon

Bremerton, Washington

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Gardener's Notes:

6
positives
1
neutral
0
negative
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A
(Zone 6b) | January 2016 | positive

Aquilegia formosa is a treasure with strong colors. It has a very long lifespan here in Austria Tyrol in my garden. One plant is now seve...Read More

M
Somerset, KY (Zone 6b) | September 2013 | positive

I found this growing wild here in Kentucky and brought home the seeds for my garden. It grows freely and self sows. I love it mixed in wi...Read More

S
Gold Hill, OR (Zone 7a) | September 2005 | positive

This is a native to this area. I collected seeds from the wild yard of my mom, sowed them outdoors in the fall and had babies coming up ...Read More

Y
Knights Landing, CA (Zone 9b) | March 2005 | positive

Since this plant is native from Alaska to northern California, Montana, and Utah, I just planted it and let nature do the rest. It's now...Read More

N
Sparks, NV (Zone 7a) | March 2005 | positive

I have this in dry, well-drained, regularly watered shade.

D
| May 2003 | neutral

I have had good germination and am just starting with them. I'm wondering how moist I should keep them in the garden. Here in the wild(Br...Read More

W
Seward, AK (Zone 3b) | August 2002 | positive

Aquilegia formosa grows in Alaska along roadsides and in woodland clearings. It adapts very well to the garden and self-sows readily. The...Read More

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