Coreopsis, Tickseed 'Redshift'

Coreopsis

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Coreopsis (kor-ee-OP-sis)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Height
24-36 in. (60-90 cm)
Spacing
24-36 in. (60-90 cm)
Hardiness
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
N/A
Bloom Color
Scarlet (dark red)
Pale Yellow
Cream/Tan
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Blooms repeatedly
Other Details
Category
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
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
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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

Fairfield, California

Denver, Colorado

Dover, Delaware

Hubbardston, Massachusetts

Hopkins, Minnesota

Columbia, Missouri

Elizabeth City, North Carolina

Holly Springs, North Carolina

Lititz, Pennsylvania

Wilkes Barre, Pennsylvania

Knoxville, Tennessee

Jacksonville, Texas

Evington, Virginia

Urbanna, Virginia

Ferndale, Washington

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Gardener's Notes:

2
positives
1
neutral
0
negative
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I
Columbia, MO | April 2014 | positive

Grows well in heat and humidity, unlike the threadleaf varieties. Can take almost half shade as well. Starts to shift when the temps co...Read More

M
Holly Springs, NC (Zone 7b) | September 2011 | neutral

This is my first year growing this plant. While it has been vigorous, it does indeed need support (could be due to rich soil). This plant...Read More

M
Hopkins, MN (Zone 4a) | July 2010 | positive

I have trouble with any kind of coreopsis coming back from year to year. Much to my surprise, this one did return. It needs support bec...Read More

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