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24-30" x 18-24" wide. 'Redshift' is a vigorous hybrid Tickseed that blooms all summer with large, red and yellow flowers that change colors as the seasonal temperatures change from cool to hot.
To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low
temperatures; the lower the zone number the colder the winter.
If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will
survive the winter temperatures in your area.
If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. The lack
of freezing winter temperatures do not provide a time for winter dormancy (rest).
24-30" x 18-24" wide. A vigorous hybrid Tickseed, 'Redshift' blooms with large red and yellow daisy-like flowers all summer. The flower color is affected by temperature and is constantly shifting all season, hence the cultivar name. In summer, yellow shades predominate, while in the cool of fall, the flowers are mostly red. Very cold hardy and tolerant of heat and humidity, 'Redshift' is an introduction from Coreopsis breeder Darrel Probst.
More Information
SKU
HC015364
Item Package Size
Plant - 5" Deep Pot
Common Name
Redshift Tickseed
Botanical Name
Coreopsis Redshift
Zones
4, 5, 6, 7, 8, 9
Light Requirements
Full Sun
Flower Color
Red, Yellow
Mature Height
24-30" tall
Mature Spread
18-24" wide
Bloom Time
Late spring to early summer
Ships As
Potted Plant
Soil Type
Compost Enriched Garden Loam Soil
Soil Moisture
Average
Advantages
Attract Butterflies, Deer Resistant, Native, Extended Bloom Time (more than 4 weeks), Multiplies / Naturalizes, Easy To Grow, Good For Cut Flowers, Good For Containers, Rabbit Resistant
Ideal Region
Anywhere In The US, Northeast, Midwest, West, Southwest, Pacific Northwest
Planting Time
Spring / Summer, Fall
Native To
North America
Ships To Canada
No
Planting Guides
Tips For Growing Coreopsis (Tickseed)
Coreopsis (Tickseed) are long-blooming native wildflowers that are easy-to-grow and provide ample nectar for butterflies. They're resistant to browsing rabbits and deer.
Coreopsis can be divided into two groups that have different growing requirements: Coreopsis grandiflora and Coreopsis verticiliata (Threadleaf Tickseed) cultivars and hybrids.
1. Coreopsis grandiflora types (Tickseed) - these cultivars are generally grown from seed and are a short-lived perennial (3 to 4 years).
Preferred growing conditions:
Needs sandy/gravely and sandy loam type soils. Avoid clay.
Does best with gravel mulches.
After their second growing season, only requires deep but infrequent watering. Too much water makes them floppy and shortens their lifespan.
Plant in full hot sun.
Adding just a few handfuls of compost and Yum Yum Mix in the planting hole is enough. Don't plant into a rich, highly-amended soil.
Special comments
Deadhead plants to prolong bloom. Leave a few seed pods on the plants to encourage re-seeding.
2. Coreopsis verticillata (Threadleaf tickseed) and hybrids - These are long-lived perennials that spread by rhizomes to form wide, dense growing clumps.
Preferred growing conditions:
These species grow in a wide range of soil types including clay. Avoid very alkaline soils as they may get chlorotic (yellow foliage) due to unavailability of iron and other trace minerals.
These plants don't need mulching except in hot climates.
These are moisture-loving perennials and do best in moderately moist soil conditions.
Plant in full sun areas.
They like compost-enriched soils at planting time.
Special comments
Threadleaf tickseed plants are often late to wake in spring from dormancy, so don't worry when other neighboring perennials wake up first.
Garden care for all types of Coreopsis:
Fertilize Coreopsis just once in fall with Yum Yum Mix and Planters II. In addition, for C. verticillata types, green sand is recommended for alkaline soils to correct or prevent chlorosis.
Plants can be divided in mid-spring when clumps die-out in the center or become too large for their place in the garden.
Leave all Coreopsis varieties standing over the winter and cut back to 1-2" inches above the soil in mid-spring when the plants begin to wake up.
View more Planting Guides, or download our complete Planting Guide for tips on caring for your plants when you receive your order, as well as planting instructions for Perennials, Spring-Planted Bulbs, Fall-Planted Bulbs, Cacti & Succulents, Xeric Plants and more.
Shipping
No longer available this season.
As soon as your order is placed you will receive a confirmation email. You will receive a second email the day your order ships telling you how it has been sent. Some perennials are shipped as potted plants, some as perennial roots packed in peat. The ‘Plant Information’ section describes how that item will ship. All perennials and spring-planted bulbs are packaged to withstand shipping and are fully-guaranteed. Please open upon receipt and follow the instructions included.
Perennials and spring-planted bulbs are shipped at the proper planting time for your hardiness zone. Perennial and spring-planted bulb orders will arrive separately from seeds. If your order requires more than one shipment and all items are shipping to the same address, there is no additional shipping charge. See our shipping information page for approximate ship dates and more detailed information. If you have any questions, please call Customer Service toll-free at (800) 925-9387 or contact us by email.
Shipping Rates
Our shipping rates are calculated based on our actual average shipping costs. We do not seek to profit from shipping fees, so rest assured that our shipping rates reflect an average of what it costs to get our guaranteed products safely to your door.
US Shipping Charges
Merchandise Total
Shipping Charges
Up to $19.99
$8.99
$20 to $34.99
$10.99
$35 to $49.99
$12.99
$50 to $74.99
$14.99
$75 to $99.99
$16.99
$100 and Over
$18.99
Canadian Shipping Charges
Merchandise
Shipping Charges
Up to $24.99
$14.95
$25 to $49.99
$19.95
$50 to $74.99
$24.95
$75 to $99.99
$29.95
$100 and Over
$39.95
We charge one low flat rate for shipping our products even if your order requires multiple shipments. If you have any questions, please call us at (800) 925-9387.
![](https://www.pinterest.com/pin/create/button/?url=https://www.highcountrygardens.com/perennial-plants/coreopsis/coreopsis-redshift&media=https://www.highcountrygardens.com/media/catalog/product/c/o/coreopsis-redshift-tickseed.jpg&description=24-30" x 18-24" wide. 'Redshift' is a vigorous hybrid Tickseed that blooms all summer with large, red and yellow flowers that change colors as the seasonal temperatures change from cool to hot.)
