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Tickseed

Coreopsis

Also called Tickseeds

Tickseed
Photo: docentjoyce, CC BY 2.0

Coreopsis is a genus of about 40 daisy-like flowering plants, mostly perennials and some annuals, native to the Americas. Commonly grown members such as C. grandiflora and C. verticillata need sun and well-drained soil, and deadheading keeps them tidy.

Family
Asteraceae (Daisy family)
Light
Full sun
Water
Water regularly while establishing, then once the soil partly dries; avoid soggy roots.
Soil
Well-drained garden soil or potting mix, tolerant of average to poor soil.
Temperature
Hardy to USDA zones about 3 to 9 depending on species; protect container plants from hard frost.
How easy
Easy
Safety
Not toxic to cats or dogs (ASPCA).

About

Coreopsis () is a genus of flowering plants in the family Asteraceae. Common names include calliopsis and tickseed, a name shared with various other plants.

How to grow it

Coreopsis can grow in a garden as a border plant, or in a container, preferring well-drained soil. Deadheading the flowers ensures it does not become weedy. Using the U.S. Department of Agriculture (USDA) hardiness zones will identify what soil and climate is preferred for different cultivars or species. Notable species found in cultivation are C. grandiflora and C. verticillata, as well as their various cultivars.

The sunny, summer-blooming, daisy-like flowers are popularly planted in gardens to attract butterflies. Both annual and perennial types are grown in the home garden (USDA hardiness zone 7a/6b). In the Mid-Atlantic region, insects such as bees, hover flies, and wasps are often observed visiting the flowers.

Where it grows

North American Coreopsis can be found in two habitats in the wild, growing along roadsides and open fields throughout the Eastern United States and Canada. In this environment the plant will self-sow.

Other Coreopsis plants

Tall Tickseed · Lanceleaf tickseed · Plains coreopsis · Leptosyne bigelovii · Giant Coreopsis

Text excerpted from the Wikipedia article Coreopsis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Pet safety from the ASPCA toxic and non-toxic plant lists.

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