Best Regional Plants
| Plant Name | Genus | Award |
Trial |
Region | Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Best Performer | University of Tennessee - Knoxville | Southeast | 2009 | 6b | 7 |
| Supertunia Mini Vista® Violet Star Petunia hybrid | Petunia | Top Performer | University of Tennessee - Knoxville | Southeast | 2023 | 6b | 7 |
| Superbells® Double Twilight™ Double Calibrachoa Calibrachoa hybrid | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2023 | 6b | 7 |
| Campfire® Flame Bidens hybrid | Bidens | Top Performer | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Meteor Shower® Verbena bonariensis | Verbena | Top Performer | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Superbena Sparkling® Amethyst Verbena hybrid | Verbena | Top Performer | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Tennessee - Knoxville | Southeast | 2011 | 6b | 7 |
| Double Up™ Red Begonia semperflorens | Begonia | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Violet Knight® Sweet Alyssum Lobularia maritima | Lobularia | Top Performer | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Graceful Grasses® Prince Tut™ Dwarf Egyptian Papyrus Cyperus papyrus | Cyperus | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Blue My Mind® Dwarf Morning Glory Evolvulus hybrid | Evolvulus | Perfect Score | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Supertunia Vista® Jazzberry® Petunia hybrid | Petunia | Perfect Score | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Surefire® Cherry Cordial™ Begonia x hybrida | Begonia | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Top Performer | University of Tennessee - Knoxville | Southeast | 2011 | 6b | 7 |
| Superbells® Double Yellow Double Calibrachoa Calibrachoa hybrid | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Sweet Caroline Medusa™ Green Ornamental Sweet Potato Vine Ipomoea batatas | Ipomoea | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Graceful Grasses® Blue Mohawk® Soft Rush Juncus inflexus | Juncus | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Superbells® Double Amber Double Calibrachoa Calibrachoa hybrid | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Surefire® White Begonia benariensis | Begonia | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Campfire® Flame Bidens hybrid | Bidens | Top Performer | University of Tennessee - Knoxville | Southeast | 2023 | 6b | 7 |
