Coreopsis lanceolata Sterntaler

Sterntaler Tickseed

Sterntaler is a robust, long blooming Tickseed with showy golden-yellow petals with a reddish-brown center. The flowers are continuous over the summer when deadheaded. It thrive with heat and sun and requires a well drained soil. Drought resistant/drought tolerant plant (xeric).
Zones3 - 8
Advantages
Easy To Grow
Attract Butterflies
Deer Resistant
Rabbit Resistant
Native
Good For Cut Flowers
Good For Containers
Extended Bloom Time (more than 4 weeks)
Light Requirements
Full Sun
Annual Rainfall
10 to 20"
20 to 30"
30 to 40" (with care)
Mature Height16" tall
Mature Spread15" wide
Bloom TimeLate spring to summer
ShippingNow shipping to zones 2-10.
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SizePlant - 5" Pot
SKUHC014517

USDA Hardiness Planting Zones

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).

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SKU
HC014517

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Details
16" tall x 15" wide (seed propagated). 'Sterntaler' is a vigorous grower blooming from late spring through summer's end with very attractive, fringed yellow blossoms with a striking reddish brown eye. An easily grown, nicely compact selection, keep it deadheaded to extend the flowering season but leave a few seed heads at the end of the season to encourage it to re-seed itself.
More Information
SKUHC014517
Item Package Size
Plant - 5" Pot
Common Name
Sterntaler Tickseed
Botanical Name
Coreopsis lanceolata Sterntaler
Zones
3, 4, 5, 6, 7, 8
Light Requirements
Full Sun
Flower Color
Yellow
Mature Height
16" tall
Mature Spread
15" wide
Bloom Time
Late spring to summer
Ships As
Potted Plant
Soil Type
Low Fertility Soil, Well-Drained Soil
Soil Moisture
Drought Resistant / Waterwise
Amount Of Rain
10 to 20", 20 to 30", 30 to 40" (with care)
Advantages
Easy To Grow, Attract Butterflies, Deer Resistant, Rabbit Resistant, Native, Good For Cut Flowers, Good For Containers, Extended Bloom Time (more than 4 weeks)
Ideal Region
Anywhere In The US, Northeast, Midwest, West, Southwest, Pacific Northwest, Suitable Above 7000 ft
Planting Time
Spring / Summer, Fall
Native To
North America
Item Unit Of Measure
Plant
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.
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