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 | Top Performer | University of Tennessee - Knoxville | Southeast | 2011 | 6b | 7 |
| Whirlwind® Blue II Fan Flower Scaevola aemula | Scaevola | Perfect Score All Season | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Superbena Sparkling® Rosé Verbena | Verbena | Top Performer | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Supertunia Mini Vista® Hot Pink Petunia | Petunia | Top Performer | University of Tennessee - Knoxville | Southeast | 2023 | 6b | 7 |
| Superbena Sparkling® Amethyst II Verbena | Verbena | Top Performer | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| GoldDust® Mecardonia | Mecardonia | Top Performer | University of Tennessee - Knoxville | Southeast | 2011 | 6b | 7 |
| Aromagica® Purple Heliotrope Heliotropium arborescens | Heliotropium | Top Performer | University of Tennessee - Knoxville | Southeast | 2024 | 6b | 7 |
| Blue My Mind® Dwarf Morning Glory Evolvulus | Evolvulus | Top Performer | University of Tennessee - Knoxville | Southeast | 2012 | 6b | 7 |
| Sweet Caroline Upside™ Key Lime Ornamental Sweet Potato Vine Ipomoea batatas | Ipomoea | Top Performer | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Superbells® Blackcurrant Punch™ Calibrachoa | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Whirlwind® Pink Fan Flower Scaevola aemula | Scaevola | Top Performer | University of Tennessee - Knoxville | Southeast | 2024 | 6b | 7 |
| Señorita Rosalita® Spider Flower Cleome | Cleome | Top Performer | University of Tennessee - Knoxville | Southeast | 2011 | 6b | 7 |
| Supertunia Vista® Bubblegum® II Petunia | Petunia | Top Performer | University of Tennessee - Knoxville | Southeast | 2024 | 6b | 7 |
| Luscious® Goldengate™ Lantana camara | Lantana | Perfect Score All Season | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Supertunia Vista® Cool Jazz® Petunia | Petunia | Top Performer | University of Tennessee - Knoxville | Southeast | 2025 | 6b | 7 |
| Luscious® Basket Tangeglow® Lantana camara | Lantana | Top Performer | University of Tennessee - Knoxville | Southeast | 2025 | 6b | 7 |
| Superbena Royale® Iced Cherry Verbena | Verbena | Top Performer | University of Tennessee - Knoxville | Southeast | 2011 | 6b | 7 |
| Supertunia Vista® Bubblegum® II Petunia | Petunia | Best Performer | University of Tennessee - Knoxville | Southeast | 2009 | 6b | 7 |
| Unplugged® So Blue™ Mealycup Sage Salvia farinacea | Salvia | Perfect Score All Season | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Catalina® Pink II Wishbone Flower Torenia | Torenia | Top Performer | University of Tennessee - Knoxville | Southeast | 2023 | 6b | 7 |
