Tickseed

What does Tickseed look like?

These plants reach heights between 46 and 120 centimetres. Their daisy-like flower heads display showy petals, commonly bright yellow with notched or toothed outer edges, though certain varieties bloom in pink or a striking two-toned blend of yellow and red. Surrounding each blossom are two distinct rings of eight protective bracts, with the outer ring joined at its base. Once the bloom fades, the plant produces small, flattened, dry seed-like fruits whose distinct shape resembles small insects. In natural settings, the blossoms stand out brightly above open foliage.

Where does Tickseed come from?

All species in this genus originate across North, Central, and South America. In the wild, they frequently establish themselves across open meadows and along roadsides throughout eastern regions of Canada and the United States, where they readily self-sow. The scientific title comes from ancient Greek words: koris, which translates to bedbug, and opsis, meaning view or appearance. Botanists chose this descriptive label because the dried, flattened seed heads share a striking resemblance to tiny ticks or bedbugs.

When and how Tickseed blooms

These plants bloom during the summer months and adapt well to garden settings. Gardeners cultivate both annual and perennial varieties in outdoor borders or patio containers, where they perform best in well-drained soil. Removing spent blossoms helps keep the plants tidy and prevents them from spreading too aggressively through self-seeding. In regional climates like hardiness zones 6b and 7a, they easily establish and produce continuous sunny blossoms throughout the warmest weeks of the year.

How Tickseed is used

Gardeners cultivate tickseed in outdoor borders and containers to create bright summer displays. Because the open blossoms supply abundant nectar and pollen, people frequently plant them in wildlife patches to draw butterflies. A wide range of insects, including bees, wasps, and hoverflies, visit the blooms for nourishment, while caterpillars of certain moth species feed on the foliage. The plants also feature in conservation spaces and natural meadows where self-sowing wildflower colonies are encouraged.

Kinds of Tickseed

Botanists recognise nearly forty species across eleven sections. Popular garden species include Coreopsis grandiflora, known for its large flower heads, and Coreopsis verticillata, which bears delicate, whorled foliage. Other notable North American wild kinds include plains coreopsis, pink tickseed, lance-leaf tickseed, and coastal plain tickseed. In addition, South America hosts dozens of native species within its own distinct botanical section.

What Tickseed means

In 1991, the state of Florida selected the genus as its official state wildflower. Within traditional flower symbolism, these cheerful summer blooms convey an enduring sense of brightness and good cheer. Specific varieties hold unique associations in floral lore, such as Coreopsis arkansa, which traditional language of flowers connects with the feeling of love at first sight.

Where Tickseed is used and seen

Antelope Valley California Poppy ReserveA state reserve in California known for its spring poppy bloom

Questions people ask about Tickseed

Good reading and sources

• Encyclopaedia BritannicaArticle
• USDA Plants DatabaseUS Department of Agriculture, Article
• Plants of the World OnlineRoyal Botanic Gardens, Kew, Plant database
• Where it has been recordedGBIF, Plant database
• Sightings and photos by naturalistsiNaturalist, Plant database

• Coreopsis on WikipediaEncyclopedia
• More photos on Wikimedia CommonsPhotos
• Wikidata recordOpen data