Best Regional Plants
| Plant Name | Genus | Award |
Trial |
Region | Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Superbells® Watermelon Punch™ Calibrachoa | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Graceful Grasses® Blue Mohawk® Soft Rush Juncus inflexus | Juncus | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Señorita Rosalita® Spider Flower Cleome | Cleome | Top Performer | University of Tennessee - Knoxville | Southeast | 2012 | 6b | 7 |
| Aromagica® Purple Heliotrope Heliotropium arborescens | Heliotropium | Top Performer | University of Tennessee - Knoxville | Southeast | 2024 | 6b | 7 |
| Unplugged® Pink Salvia | Salvia | Top Performer | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Sunstar® Rose Egyptian Star Flower Pentas lanceolata | Pentas | Perfect Score All Season | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Supertunia Vista® Bubblegum® II Petunia | Petunia | Top Performer | University of Tennessee - Knoxville | Southeast | 2012 | 6b | 7 |
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Top Performer | University of Tennessee - Knoxville | Southeast | 2011 | 6b | 7 |
| Luscious® Berry Blend™ Lantana camara | Lantana | Perfect Score | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Unplugged® White Mealycup Sage Salvia farinacea | Salvia | Top Performer | University of Tennessee - Knoxville | Southeast | 2024 | 6b | 7 |
| Superbells® Yellow Chiffon™ Calibrachoa | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2012 | 6b | 7 |
| Superbells® Double Blue Double Calibrachoa Calibrachoa | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Supertunia Vista® Cool Jazz® Petunia | Petunia | Top Performer | University of Tennessee - Knoxville | Southeast | 2025 | 6b | 7 |
| Unplugged® Pink Salvia | Salvia | Top Performer | University of Tennessee - Knoxville | Southeast | 2023 | 6b | 7 |
| Vermillionaire® Large Firecracker Plant Cuphea | Cuphea | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| GoldDust® Mecardonia | Mecardonia | Top Performer | University of Tennessee - Knoxville | Southeast | 2012 | 6b | 7 |
| Whirlwind® Blue II Fan Flower Scaevola aemula | Scaevola | Perfect Score All Season | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Superbells® Pink II Calibrachoa | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2023 | 6b | 7 |
| Aromagica® Purple Heliotrope Heliotropium arborescens | Heliotropium | Top Performer | University of Tennessee - Knoxville | Southeast | 2025 | 6b | 7 |
| Supertunia Vista® Bubblegum® II Petunia | Petunia | Best Performer | University of Tennessee - Knoxville | Southeast | 2009 | 6b | 7 |
