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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…

Assessing Potential Loss of Coreopsis leavenworthii Genetic Diversity under Commercial Seed Production and Gene Flow from Coreopsis tinctoria.

The objectives of this project are to assess (1) the potential loss of genetic diversity (or genetic shift) during seed production of C. leavenworthii, and (2) potential gene flow from C.tinctoria to C. leavenworthii, two important issues in production and use of C. leavenworthii seeds. We have made excellent progress toward these objectives and have…

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.

Jeff Norcini, PhD honored with 2023 Coreopsis Award

Dr. Jeff Norcini received the 2023 T. Elizabeth Pate Coreopsis Award in August 2023 in recognition of his many years of work for Florida’s Wildflowers.

Lisa Roberts honored with 2024 Coreopsis Award

The Florida Wildflower Foundation proudly announces Lisa Roberts as the 2024 recipient of the T. Elizabeth Pate Coreopsis Award.

Anne MacKay honored with 2019 Coreopsis Award

Anne MacKay received the 2019 T. Elizabeth Pate Coreopsis Award during the Florida Wildflower Symposium on April 13 in recognition of her advocacy for Florida’s wildflowers.

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.

Brightman Logan honored with 2022 Coreopsis Award

Brightman Logan received the 2022 T. Elizabeth Pate Coreopsis Award in September 2022 in recognition of his many years of work for Florida’s Wildflowers.

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 – Florida’s State Wildflower

A brochure guide to Coreopsis, Florida’s State Wildflower.

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 (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.

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