Heat & Hot Weather

Learn how 5 flower farmers from across the U.S. are successfully adapting to heat, drought, and the extreme weather events of a changing climate.

Basic cultural practices to follow for growing success through the summer heat, from germination, cultivation, and irrigation to harvest and post-harvest, from the research & trialing team at Johnny's Selected Seeds.

Key recommendations for heat-tolerant, cool-weather varieties, and cool-weather-loving crops successfully through summer's heat, from Johnny's Research & Trialing Team.

Chart for optimal post-harvest cooling method, temperature,and humidity ranges, and potential shelf life for a range of summer-harvest, fresh-market crops, in alphabetical order.

A downloadable, printable version of our Shade Cloth Comparison Chart, for comparing options, recommended crops, and areas for low tunnels and high tunnels.

A slide deck recap of our Lettuce & Greens for Southern Growers Webinar. Topics: • Johnny’s Trial Farm • Solutions for Heat-Related Issues • Common Problems • Production Systems • Tools & Supplies • Variety Selection for the Heat • Environmental Preferences • Heat-Adapted Types • Proven Performers • Specialty Greens • Trial Report: University of Georgia • Acknowledgements & Resources

Here is the full presentation of our Lettuce & Greens for Southern Growers webinar, followed by a Q&A session. The full video runs approximately 90 minutes.

Here is the full presentation of our Climate Adaptation for Vegetable & Flower Farmers webinar, followed by a Q&A session. The full video runs just approximately 1½ hours.

A slide deck recapping Johnny's Climate Adaptation for Vegetable and Flower Farmers Webinar, with links to references and further reading.

Join hosts Hillary Alger and Debra Prinzing along with four professional Southern flower-farmer guest panelists for an in-depth discussion about growing flowers in the southern US.

A slide deck recap of our Flower Growing in Southern States Webinar. Topics: • Johnny’s Trial Farm • Solutions for Heat-Related Issues • Common Problems • Production Systems • Tools & Supplies • Variety Selection for the Heat • Environmental Preferences • Heat-Adapted Types • Proven Performers • Specialty Greens • Trial Report: University of Georgia • Acknowledgements & Resources