Interspecific Hybridization between Coreopsis leavenworthii and Coreopsis tinctoria Differently Affected Growth, Development, and Reproduction of Their Progeny

The genus Coreopsis L. is Florida’s state wildflower; there is a strong interest in commercial production and large-scale planting of Coreopsis seed in Florida, especially the seed of Coreopsis leavenworthi Torr. & A. Gray (COLE) and Coreopsis tinctoria Nutt. (COTI). Both species belong to the same section [Calliopsis (Reichenb.) Nutt.] within Coreopsis and were known…

Florida tickseed bloom

Florida tickseed

Florida tickseed (Coreopsis floridana) is one of 12 Coreopsis species native to Florida. It is endemic to the state and occurs naturally in wet pinelands and prairies, cypress swamp edges and roadside ditches. It typically blooms from late summer into early winter, but may bloom year-round. Its bright sunny flowers attract a variety of pollinators, especially butterflies.

Terry Zinn

Terry Zinn honored with 2021 Coreopsis Award

Terry Zinn received the 2021 T. Elizabeth Pate Coreopsis Award in recognition of his advocacy for Florida’s wildflowers. An environmental lawyer, biologist, wildlife ecologist and wildflower farmer, he has helped steer and build the Foundation’s programs.

Jeff Caster

Jeff Caster receives 2020 Coreopsis Award

The Florida Wildflower Foundation selects retiring Florida Department of Transportation Landscape Architect Jeff Caster to receive the 2020 Coreopsis Award for his lifetime of devotion to Florida’s wildflowers.

Coreopsis bakeri flowers

Welcome Baker’s tickseed

Coreopsis bakeri has gone undetected for years because of its resemblance to our common Lanceleaf tickseed ( Coreopsis lanceolata). It is has been isolated long enough to have become a distinct species.

Leavenworth’s tickseed

Leavenworth’s tickseed

Leavenworth’s tickseed (Coreopsis leavenworthii) is often used as a component of mixed wildflower and butterfly gardens, and is excellent for sunny roadsides, highway medians and powerline easements.