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…

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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…

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It’s not a garden, it’s a habitat

Ecologists estimate that only 3 to 4 percent of land in the United States has been undisturbed by human activity. That’s why providing habitat — food, shelter and nesting areas for wildlife — within sustainable urban landscapes should be an important goal for everyone.

We can’t create a perfect natural habitat for each species. However, we can make a difference by using Florida’s native wildflowers and plants. Learn how!

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Nov. 18 Field trip to Heartwood Preserve

Heartwood Preserve is the first conservation cemetery within a nature preserve in the Tampa Bay area. Join us on this unique opportunity to learn about the efforts to conserve and permanently protect this endangered natural habitat through environmentally friendly burial options. Visit longleaf pine flatwoods and cypress wetlands. Learn the land’s history and management, the importance of fire ecology and the process of conservation burial. 

When wildflowers blow in the wind

As summer progresses many of our fall-blooming wildflowers become tall and stately, forming backdrops and filling fence rows as they reach peak bloom from September through December. But this also is when storms increase, bringing intense waves of wind and rain. And there are always those unpredictable hurricanes. Here’s how one wildflower garden survived Hurricane  Irma’s big blow and steps you can take to hopefully rescue your own plantings.

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Layering is key in Orange County meadow design

Central Florida gardeners will soon a have a new location to see and explore Florida’s native wildflowers and grasses. A no-mow wildflower meadow is being installed at the Orange County UF/IFAS Extension’s Exploration Gardens in Orlando, funded by the Florida Wildflower Foundation’s Viva Florida Landscape Demonstration Garden grant. The meadow will be approximately 2,700 square feet and will include 25 species of Florida native wildflowers and grasses. Eventually, it will connect two sections of a planned native tree walk.

Leavenworth’s Tickseed

Leavenworth’s Tickseed
(Coreopsis leavenworthii)
Blooms spring-summer; height 1-3 ft. Plant Sept.-mid-Dec. in full sun to light pine shade in slightly moist to moist sandy soil.

Sow seeds in:
N – September, October
C – Late September to mid-November
S – Mid-October to mid-December