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Family: Asteraceae (ass-ter-AY-see-ee) (Info) Genus: Echinacea (ek-in-AY-shee-a) (Info) Species: purpurea (pur-PUR-ee-uh) (Info) Cultivar: Kim's Knee High Additional cultivar information: (PP12242) Hybridized by Hawks; Year of Registration or Introduction: 1999
Spacing: 15-18 in. (38-45 cm) 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) USDA Zone 9a: to -6.6 °C (20 °F) USDA Zone 9b: to -3.8 °C (25 °F)
Sun Exposure: Full Sun
Danger: N/A
Bloom Color: Magenta (Pink-Purple)
Bloom Time: Mid Summer Late Summer/Early Fall Mid Fall
Foliage: Herbaceous
Other details: This plant is attractive to bees, butterflies and/or birds 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: Patented
Propagation Methods: By dividing the rootball From seed; direct sow outdoors in fall From seed; winter sow in vented containers, coldframe or unheated greenhouse From seed; stratify if sowing indoors From seed; sow indoors before last frost
Seed Collecting: Allow seedheads to dry on plants; remove and collect seeds Properly cleaned, seed can be successfully stored N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
On Oct 4, 2011, NH_Lakes_Region from Pittsfield, NH wrote:
I purchased two of these as healthy-looking mature plants and planted them in a sunny spot in mid-May of this year. I got continuous blooms, but the plant did not thrive the way I had expected... there were fewer blooms, and the foliage ultimately withered and dried up, despite other similar plants in the same spot thriving. But, I never expect to get great performance the first year that I plant a mature perennial. I am happy to report that this plant has already begun to spread, and the new growth looks happy and healthy. The original plant seems to have grown a whole "new" plant to its side - I have new, mature leaves, and blooms just opening now, in early October, on the edge of zones 4b and 5a. I also see smaller seedlings coming up around the plant. I fully expect that next spring this plant will come up healthy and thick. It has attractive foliage, beautiful flowers, and the dead flowers will add interest in the winter.