Best Regional Plants
| Plant Name | Genus | Award |
Trial |
Region | Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Supertunia Vista® Silverberry Petunia | Petunia | Top Performer | University of Wisconsin | Midwest | 2011 |
5a 5b |
4 5 |
| Graceful Grasses® Baby Tut® Umbrella Grass Cyperus involucratus | Cyperus | Top Performer | University of Wisconsin | Midwest | 2010 |
5a 5b |
4 5 |
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Top Performer | University of Wisconsin | Midwest | 2010 |
5a 5b |
4 5 |
| Supertunia Vista® Silverberry Petunia | Petunia | Top Performer | University of Wisconsin | Midwest | 2010 |
5a 5b |
4 5 |
| Limon Blush™ Coleus scutellarioides | Coleus | Top Performer | University of Wisconsin | Midwest | 2010 |
5a 5b |
4 5 |
| Sweet Caroline Upside™ Key Lime Ornamental Sweet Potato Vine Ipomoea batatas | Ipomoea | Top Performer | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| 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 |
| Double Up™ Red Begonia semperflorens | Begonia | Top Performer | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Surefire® Rose Begonia benariensis | Begonia | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Blue My Mind® XL Dwarf Morning Glory Evolvulus | Evolvulus | Perfect Score | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| GoldDust® Mecardonia | Mecardonia | Top Performer | University of Tennessee - Knoxville | Southeast | 2011 | 6b | 7 |
| Sunstar® Rose Egyptian Star Flower Pentas lanceolata | Pentas | Perfect Score All Season | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Violet Knight® Sweet Alyssum Lobularia maritima | Lobularia | Top Performer | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Luscious® Basket Tangeglow® Lantana camara | Lantana | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Unplugged® So Blue™ Mealycup Sage Salvia farinacea | Salvia | Perfect Score | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Superbells® Miss Lilac Calibrachoa | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2011 | 6b | 7 |
| Superbells® Yellow Chiffon™ Calibrachoa | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2012 | 6b | 7 |
| GoldDust® Mecardonia | Mecardonia | Top Performer | University of Tennessee - Knoxville | Southeast | 2012 | 6b | 7 |
| Mojave® Red II Purslane Portulaca umbraticola | Portulaca | Top Performer | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
