Botanical Name: Coreopsis verticillata
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Common Name: Threadleaf Coreopsis  
Plant photo of: Coreopsis verticillata
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Water Saving Tip:

Check the soil's moisture level before watering.

You can reduce your water use 20-50% by regularly checking the soil before watering.

  • Anatomy

  • Culture

  • Design

Plant Type

Perennial

 

Height Range

1-3'

 

Flower Color

Yellow

 

Flower Season

Summer

 

Leaf Color

Dark Green

 

Bark Color

n/a

 

Fruit Color

n/a

 

Fruit Season

n/a

Sun

Full

 

Water

Low, Medium, Extra in Summer

 

Growth Rate

Moderate

 

Soil Type

Sandy, Clay, Loam

 

Soil Condition

Average, Rich, Poor, Well-drained, Dry

 

Soil pH

Neutral

 

Adverse Factors

n/a

Design Styles

English Cottage, Formal, Meadow, Mediterranean, Ranch

 

Accenting Features

Showy Flowers

 

Seasonal Interest

Summer

 

Location Uses

Entry, Perennial Border, Foundation, Parking Strip, Patio

 

Special Uses

Container, Cut Flowers, Mass Planting, Naturalizing, Small Spaces

 

Attracts Wildlife

n/a

Information by: Stephanie Duer
Photographer: Linda Engstrom
  • Description

  • Notes

Threadleaf coreopsis are a dainty but tough perennial, with bright green, needle-like leaves that form dense rounded mounds of foliage about 12 to 18 inches tall and wide (or wider). Flowers are pale yellow to golden, depending on the variety, and appear in profusion just above the foliage. Blooms from late spring well into summer and sometimes to frost. Use anywhere a cheery yellow flower would be welcomed; it has a tidy appearance that lends itself to cottage, commercial, or formal landscapes.
Grow in well-drained, slightly loamy to sandy-loam soils in full sun. Plants tolerate drier conditions than do the grandifloras. This coreopsis doesn't require deadheading to maintain bloom. however, during the peak of the summer heat, flowering may slow. shearing aback the plants a bit will encourage new foliage and usually another good bloom. Otherwise, it may bloom until frost, though the flowering will be less profuse. In optimum growing conditions, plants will spread in the garden over time by stolons to form an attractive ground cover, but spread is easy to check.