Here are Lisa Ziegler's 5 recommended "Cool Flowers" — cold-tolerant hardy annuals for overwintering and shoulder-season growing for the earliest possible blooms in spring.
Key Growing Information

Stock | Key Growing Information

Written by our research team, this reference contains the essential information for growing STOCK flowers from seed. Read more for a successful harvest!
Follow the detailed recommendations in this Tech Sheet for successful production of stock flowers (Matthiola incana), from Site Selection and Culture to How to Select and Prepare Seedlings for Double-Flowered vs. Single-Flowered Blooms, Transplanting, Pinching, Pests and Diseases, and Harvesting, from the Flower Research Team at Johnny's Selected Seeds.
Visit with flower farmers across diverse planting zones, ecoregions, and cultural conditions to learn their succession-planting formulas and gain new insight into this versatile method for producing even more flowers this coming season. Includes tips and recommended approaches for scheduling and planning, sowing frequency, record-keeping, and favorite crops and varieties for succession-planting success.
In a favorite weekly ritual here at Johnny's Research Farm, Flower Product Manager Hillary Alger demonstrates how quickly and easily an informal yet professional-appearing Mason Jar Bouquet can be arranged from the seasonal materials you have at hand.
Get a tour of our late-winter/spring-sown stock trials, with variety recommendations and tips for successful early-spring production, from the research team at Johnny's.
Join us in our fall tunnel trial to learn about the StoX® series. View StoX compared to the Iron series, including some helpful color comparisons.
This video will show you how to select your plants at the seedling stage to increase the number of double-flowering plants you have in a planting.