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Coreopsis, Tickseed 'Redshift'


Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Coreopsis (kor-ee-OP-sis) (Info)
Cultivar: Redshift
Additional cultivar information:(PP20412, Big Bang Series, aka Red Shift)
Hybridized by Probst
Registered or introduced: 2008
View this plant in a garden



Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Flowers are good for cutting

This plant is attractive to bees, butterflies and/or birds

Water Requirements:

Drought-tolerant; suitable for xeriscaping

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Grow outdoors year-round

Suitable for growing in containers


24-36 in. (60-90 cm)


24-36 in. (60-90 cm)


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:

Full Sun

Sun to Partial Shade



Bloom Color:

Scarlet (Dark Red)

Pale Yellow


Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Mid Fall

Blooms repeatedly



Other details:

Unknown - Tell us

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:


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


This plant has been said to grow 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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Gardeners' Notes:


On Apr 14, 2014, InsaniD from Columbia, MO wrote:

Grows well in heat and humidity, unlike the threadleaf varieties. Can take almost half shade as well. Starts to shift when the temps cool off, otherwise it has very little red showing. But man, once you get cool evenings, it "shifts" its' heart out...


On Sep 6, 2011, mcrousse from Holly Springs, NC (Zone 7b) wrote:

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 has not done any "red shifting" in my garden, so at this point, it's not that impressive. It might need another year to start performing, though, or perhaps cooler weather.


On Jul 15, 2010, ms_greenjeans from Hopkins, MN (Zone 4a) wrote:

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 because it is quite tall and the blooms are large. The first year I had it the flowers did not change colors in late summer/fall, but this year they did. It's pretty, long-blooming, and quite trouble free, so I am very happy with it.