Coreopsis, Tickseed 'Redshift'

Coreopsis

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Coreopsis (kor-ee-OP-sis)
Synonym
Spacing
24-36 in. (60-90 cm)
Sun Exposure
24-36 in. (60-90 cm)
Danger
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)
Hardiness
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Color
Bloom Time
Other Details
Seed Collecting
Full Sun
Sun to Partial Shade
Fruit Shape
N/A
Fruit Size
Scarlet (dark red)
Pale Yellow
Cream/Tan
Fruit Colors
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Blooms repeatedly
Growing Habit
Herbaceous
Days to Maturity
Seed Type
By dividing the rootball
Disease Resistance
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Leaf Type
Foliage Color
Bloom Characteristics
Water Requirements
Perennials
Where to Grow
Other details
Propagation Methods
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Soil pH requirements
Patent Information
Plant Size (check one)
Growing Habit
Growth Rate
Leaf Shape
Leaf Appearance
Degree to which the appearance is present
Leaf Texture (top)
Leaf Texture (bottom)
Leaf Color
Color of Leaf Margin
Leaf Substance
Number of Vein Pairs
Appearance of Margin
Margin Width
Flower Shape
Flower Fragrance
Does it set seed?
Flower Size
Flower Type
Blooming Habit
Foliage Habit
Color Patterns
Awards (if applicable)
Seed Type
Growth Habit
Days to Maturity
Awards (if applicable)
Patented
Bloom Shape
Other Details
Pruning Instructions
Kernel Color
Flower Shape
Flower Habit
Bloom Size
Color Pattern
Bloom Shape
Pruning Groups
Bloom Diameter
Heat (Pungency)
Fruit Shape
Fruit Size
Fruit Color
Disease Resistance
Seed Type
Flower Size
Size/Type
Flower Characteristics
Leaf Shape/Type
Leaf Texture
Leaf Color
Propagation
Pollination
Bearing Habit
Rootstock Vigor
Disease Resistance
Fruit Usage
Classification
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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