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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)
Sun Exposure: Sun to Partial Shade Light Shade
Danger: All parts of plant are poisonous if ingested
Bloom Color: Medium Blue White/Near White
Bloom Time: Late Spring/Early Summer
Foliage: Herbaceous
Other details: This plant is attractive to bees, butterflies and/or birds Average Water Needs; Water regularly; do not overwater Self-sows freely; deadhead if you do not want volunteer seedlings next season
Soil pH requirements: 5.1 to 5.5 (strongly acidic) 5.6 to 6.0 (acidic)
Propagation Methods: From seed; direct sow outdoors in fall From seed; winter sow in vented containers, coldframe or unheated greenhouse From seed; stratify if sowing indoors
Seed Collecting: Allow pods to dry on plant; break open to collect seeds Properly cleaned, seed can be successfully stored
I had to give the plant extra supports because the heavy flowers would fall over at times, but this is a great plant. I put it right next to a window to enjoy its unusual flowers.
When I first moved into my house, I thought this plant growing in the back yard was a weed. This year I failed to weed as well as the previous years, and boy was I glad. It has come up in all kinds of places in my yard. Good soil to extremely bad soil. It even grew in my graveled driveway on the north side of my house where it received NO water. The seed were very easy to gather and I'm going to spread them everywhere!!!
On Mar 22, 2004, celtic_dolphin from Boone, NC (Zone 4b) wrote:
I absolutely love this flower! Leafminers are definitely a problem, but the flowers are beautiful enough to make you forget the leaves. Seed collecting is easy, but the seeds must be chilled for 4 to 6 weeks before sowing. The seeds also need light to germinate, so don't cover them, just sprinkle them on top of the soil.
On May 20, 2002, naturepatch from Morris, IL (Zone 5b) wrote:
The blue-green of the foliage is phenomenal. Flowers are large and a lovely blue. Will cross pollenate with other columbine varieties. Will grow even in deep shade(ie-north side of a house). Is prone to leaf miner damage. Self-sows readily. Seeds need light to germinate. Do not cover.
Regional...
This plant has been said to grow in the following regions:
, Seward, Alaska Auberry, California Merced, California Colorado Springs, Colorado Laporte, Colorado Loveland, Colorado Pueblo, Colorado Winsted, Connecticut Wilmington, Delaware Naperville, Illinois Washington, Illinois Wilmette, Illinois Kalamazoo, Michigan Clinton, Mississippi Jamesburg, New Jersey Alden, New York Rochester, New York Newton, North Carolina Shelby, North Carolina Hamilton, Ohio Westerville, Ohio Baker City, Oregon Portland, Oregon Salem, Oregon Norristown, Pennsylvania Conway, South Carolina Rockwall, Texas Sour Lake, Texas Salt Lake City, Utah Sandy, Utah Arlington, Virginia Kalama, Washington North Bend, Washington Poulsbo, Washington Seattle, Washington Spokane, Washington
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