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 Wisconsin | Midwest | 2010 |
5a 5b |
4 5 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | University of Wisconsin | Midwest | 2011 |
5a 5b |
4 5 |
| GoldDust® Mecardonia | Mecardonia | Best Selection | University of Wisconsin | Midwest | 2010 |
5a 5b |
4 5 |
| Supertunia Vista® Bubblegum® II Petunia | Petunia | Top Performer | University of Wisconsin | Midwest | 2011 |
5a 5b |
4 5 |
| Cerveza 'n Lime® Plectranthus | Plectranthus | Top Performer | University of Wisconsin | Midwest | 2011 |
5a 5b |
4 5 |
| Luscious® Basket Tangeglow® Lantana camara | Lantana | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Rockin'® Blue Suede Shoes™ Salvia | Salvia | Top Performer | University of Tennessee - Knoxville | Southeast | 2023 | 6b | 7 |
| Double Up™ Red Begonia semperflorens | Begonia | Top Performer | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Superbells® Double White Double Calibrachoa Calibrachoa | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2023 | 6b | 7 |
| Mojave® Red II Purslane Portulaca umbraticola | Portulaca | Top Performer | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Sweet Caroline Upside™ Key Lime Ornamental Sweet Potato Vine Ipomoea batatas | Ipomoea | Top Performer | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Violet Knight® Sweet Alyssum Lobularia maritima | Lobularia | 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 |
| Supertunia Mini Vista® Ultramarine Petunia | Petunia | Top Performer | University of Tennessee - Knoxville | Southeast | 2023 | 6b | 7 |
| Unplugged® So Blue™ Mealycup Sage Salvia farinacea | Salvia | Perfect Score | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Blue My Mind® XL Dwarf Morning Glory Evolvulus | Evolvulus | Perfect Score | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Supertunia® Pink Tiara™ petunia Petunia | Petunia | Top Performer | University of Tennessee - Knoxville | Southeast | 2024 | 6b | 7 |
| Graceful Grasses® Blue Mohawk® Soft Rush Juncus inflexus | Juncus | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| ColorBlaze® Royale Pineapple Brandy™ Coleus scutellarioides | Coleus | Top Performer | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Sunstar® Rose Egyptian Star Flower Pentas lanceolata | Pentas | Perfect Score All Season | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
