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Tickseed ~ Coreopsis Plant Care Guide and Varieties

Coreopsis

Coreopsis

Prized for its dependable nature and colorful, daisylike flowers, coreopsis has a long bloom period and is generally troublefree and easy to grow. Another common name is tickseed.

About This Plant

Coreopsis is tolerant of a variety of soil types and environmental conditions, making it a popular choice for home gardeners. Tall varieties can reach 4 feet in height and are good for the back of the border and in cutting gardens. Shorter, mounding varieties are more delicate and good for edging. Most coreopsis sport yellow flowers, although a pink variety is also available.

Special Features

Easy care/low maintenance
Multiplies readily
Good for cut flowers
Tolerates dry soil

Site Selection

Select a site with full sun and well-drained soil.

Planting Instructions

Plant in spring, spacing plants 2 to 3 feet apart, depending on the variety. Prepare the garden bed by using a garden fork or tiller to loosen the soil to a depth of 12 to 15 inches, then mix in a 2- to 4-inch layer of compost. Dig a hole twice the diameter of the pot the plant is in. Carefully remove the plant from its container and place it in the hole so the top of the rootball is level with the soil surface. Carefully fill in around the rootball and firm the soil gently. Water thoroughly.

Care

Apply a thin layer of compost each spring, followed by a 2-inch layer of mulch to retain moisture and control weeds. Water plants during the summer if rainfall is less than 1 inch per week. Stake tall varieties to keep them upright. After the first killing frost, cut stems back to an inch or two above soil line. Divide plants every few years as new growth begins in the spring, lifting plants and dividing them into clumps.

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Coreopsis palmata

One classification of the genus into sections is:

Coreopsis sect. Calliopsis
Coreopsis sect. Coreopsis
Coreopsis sect. Eublepharis
Coreopsis sect. Gyrophyllum
Coreopsis sect. Leptosyne
Coreopsis sect. Pugiopappus
Coreopsis sect. Silphidium
Coreopsis sect. Tuckermannia[3]

Selected species

Formerly placed here

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See Also ….

How to Care for Tickseed Flowers

Tickseed Guide @ Fine Gardening

How to Grow and Care for Tickseeds and other Coreopsis Plants

9 responses

  1. Linda

    I have this flower & it all turned brown how do I get it back to flowering?

    June 19, 2015 at 5:36 pm

    • let me look at possible causes for you, be back soon

      June 19, 2015 at 6:15 pm

    • sounds like stem rot but i have list here and symptoms of diseases that effect Tickseed, so you can better identify which disease
      http://extension.psu.edu/pests/plant-diseases/all-fact-sheets/coreopsis-diseases

      June 19, 2015 at 6:17 pm

      • Linda

        Actually the stem is green. The flowers turned brown. Am I suppose to cut off the dead flowers?

        June 21, 2015 at 11:19 pm

      • yes, remove dead flower heads and it should keep on blooming … add a pinch of epsom salt to your water and it will give it a boost

        June 22, 2015 at 3:25 am

      • Linda

        Thank you

        June 22, 2015 at 3:37 pm

      • welcome 🙂 good luck. they are pretty hardy

        June 22, 2015 at 6:28 pm

  2. Dale Fletcher

    Can you help me identify a Tickseed that I have? I can send pictures. Thanks!!!

    May 17, 2016 at 10:14 pm

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