Best Regional Plants
| Plant Name | Genus | Award |
Trial |
Region | Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Dalina® Grande Castillo Dahlia hybrid | Dahlia | Top Perfomer | University of Wisconsin | Midwest | 2012 |
5a 5b |
4 5 |
| Superbells® Lemon Slice® Calibrachoa hybrid | Calibrachoa | Top Perfomer | University of Wisconsin | Midwest | 2012 |
5a 5b |
4 5 |
| Superbells® Holy Cow!™ Calibrachoa hybrid | Calibrachoa | Top Performer | University of Wisconsin | Midwest | 2018 |
5a 5b |
4 5 |
| Supertunia Vista® Silverberry Petunia hybrid | Petunia | Top Performer | University of Wisconsin | Midwest | 2010 |
5a 5b |
4 5 |
| Snow Princess® Sweet Alyssum Lobularia hybrid | Lobularia | Top Performer | University of Wisconsin | Midwest | 2011 |
5a 5b |
4 5 |
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Top Performer | University of Wisconsin | Midwest | 2011 |
5a 5b |
4 5 |
| Rockapulco® Coral Reef Double Impatiens Impatiens walleriana | Impatiens | Top Performer | University of Wisconsin | Midwest | 2011 |
5a 5b |
4 5 |
| Superbells® Cherry Star Calibrachoa hybrid | Calibrachoa | Top Performer | University of Wisconsin | Midwest | 2011 |
5a 5b |
4 5 |
| Whirlwind® Pink Fan Flower Scaevola aemula | Scaevola | Top Performer | University of Tennessee - Knoxville | Southeast | 2024 | 6b | 7 |
| Luscious® Royale Red Zone™ Lantana camara | Lantana | Top Performer | University of Tennessee - Knoxville | Southeast | 2025 | 6b | 7 |
| Superbells® Double Smitten Pink™ Double Calibrachoa Calibrachoa hybrid | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2023 | 6b | 7 |
| Mojave® Yellow Purslane Portulaca umbraticola | Portulaca | Top Performer | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| ColorBlaze® Mini Me™ Watermelon Coleus scutellarioides | Coleus | Top Performer | University of Tennessee - Knoxville | Southeast | 2024 | 6b | 7 |
| Space Age® Triton™ Rex begonia Begonia rex | Begonia | Top Performer | University of Tennessee - Knoxville | Southeast | 2024 | 6b | 7 |
| Mojave® Yellow Purslane Portulaca umbraticola | Portulaca | Top Performer | University of Tennessee - Knoxville | Southeast | 2023 | 6b | 7 |
| Surefire® Red Begonia benariensis | Begonia | Top Performer | University of Tennessee - Knoxville | Southeast | 2025 | 6b | 7 |
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Best Performer | University of Tennessee - Knoxville | Southeast | 2009 | 6b | 7 |
| Rockin'® Blue Suede Shoes™ Salvia hybrid | Salvia | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Mojave® Yellow Purslane Portulaca umbraticola | Portulaca | Top Performer | University of Tennessee - Knoxville | Southeast | 2024 | 6b | 7 |
| Supertunia Vista® Jazzberry® Petunia hybrid | Petunia | Perfect Score | University of Tennessee - Knoxville | Southeast | 2023 | 6b | 7 |
