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Plains Coreopsis Guide

The tiny seeds seem to resemble ticks, giving the flower it’s colloquial name; This may be odd to some as they represent being “always cheerful” in floriography. Aside from giving gardens a floral pop, Coreopsis are pollinator powerhouses, drawing in beneficial bugs from butterflies to bees! While it was once believed coreopsis tea helps you avoid getting struck by lightning, we recommend you just stick to gardening in fairer weather!



Plains Coreopsis flowers grow best starting in cooler weather between 50°F-75°F. They do great in containers and small gardens. Bank on Seeds recommends direct seeding.

If Direct Seeding

  • Direct seed outside 2 weeks after last frost date; or
  • Direct seed into a container 6-8 inches deep and wide anytime of the year. It can be placed outside when the temperature is between 55°F-75°F; or

If Transplanting

Begin the growing season early and start the flower seeds indoors in trays or pods 4-6 weeks before the last frost date; clingwrap the container to seal in the warmth. Germination is best and fastest between 60°F-75°F. It can be transplanted outside 8 weeks later.

Surface sow coreopsis seeds an inch apart by pressing them gently into well raked soil with rows spaced 4-6 inches in between. Germination will take 15-21 days.


Plains coreopsis does well in any type of soil but likes firm, well-draining soil free of weeds. They also like full sun and regular watering for the first 8 weeks.  Once established, let the soil dry out fully between watering. Check the top 3-4 inches of soil and if it is dry, then water it.

Coreopsis does not need fertilizer at all.


Plains Coreopsis is full grown in 60 days. Cut the blooms for a pop of color in your home or keep them in the garden to attract hummingbirds, butterflies, and other beneficial insects. Deadheading will encourage continued growth. Coreopsis leaves can also be used for tea.


Leafhoppers – spray off with water, handpick, insecticidal soap, diatomaceous earth, row covers, neem oil

Root rot, aster yellow and leafspot – do not water from overhead, let dry between watering, keep free of weeds

*Plains Coreopsis is easy to grow and helps in the garden by attracting a variety of beneficial insects for pollinating flowers, shrubs, and garden vegetables. They also attract birds and butterflies.  *

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