Best Regional Plants
| Plant Name | Genus | Award |
Trial |
Region | Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Superbells® Double Amber Double Calibrachoa Calibrachoa | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Supertunia Mini Vista® Indigo Petunia | Petunia | Top Performer | University of Tennessee - Knoxville | Southeast | 2023 | 6b | 7 |
| Virtuoso® Rad Raz® Dahlia variabilis | Dahlia | Top Performer | University of Tennessee - Knoxville | Southeast | 2024 | 6b | 7 |
| Supertunia Vista® Bubblegum® II Petunia | Petunia | Top Performer | University of Tennessee - Knoxville | Southeast | 2011 | 6b | 7 |
| Blue My Mind® Dwarf Morning Glory Evolvulus | Evolvulus | Perfect Score | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | University of Tennessee - Knoxville | Southeast | 2012 | 6b | 7 |
| Supertunia Vista® Jazzberry® Petunia | Petunia | 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 |
| Superbena Sparkling® Rosé Verbena | Verbena | Top Performer | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Supertunia Vista® Silverberry Petunia | Petunia | Top Performer | University of Tennessee - Knoxville | Southeast | 2011 | 6b | 7 |
| Graceful Grasses® Vertigo® Purple Fountain Grass Pennisetum purpureum | Pennisetum | Top Performer | University of Tennessee - Knoxville | Southeast | 2011 | 6b | 7 |
| Supertunia Vista® Bubblegum® II Petunia | Petunia | Top Performer | University of Tennessee - Knoxville | Southeast | 2012 | 6b | 7 |
| Superbells® Coral Sun™ Calibrachoa | Calibrachoa | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Mojave® Red II Purslane Portulaca umbraticola | Portulaca | Top Performer | University of Tennessee - Knoxville | Southeast | 2024 | 6b | 7 |
| Sweet Caroline Upside™ Key Lime Ornamental Sweet Potato Vine Ipomoea batatas | Ipomoea | Perfect Score | University of Tennessee - Knoxville | Southeast | 2023 | 6b | 7 |
| Unplugged® So Blue™ Mealycup Sage Salvia farinacea | Salvia | Perfect Score All Season | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Luscious® Basket Tangeglow® Lantana camara | Lantana | Top Performer | University of Tennessee - Knoxville | Southeast | 2025 | 6b | 7 |
| Truffula™ Pink Globe Amaranth Gomphrena pulchella | Gomphrena | Perfect Score | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Supertunia Mini Vista® Hot Pink Petunia | Petunia | Top Performer | University of Tennessee - Knoxville | Southeast | 2023 | 6b | 7 |
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Top Performer | University of Tennessee - Knoxville | Southeast | 2012 | 6b | 7 |
