Best Regional Plants
| Plant Name | Genus | Award |
Trial |
Region | Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| 'Sweet Caroline Light Green' Sweet Potato Vine Ipomoea batatas | Ipomoea | Top Performer | University of Wisconsin | Midwest | 2010 |
5a 5b |
4 5 |
| GoldDust® Mecardonia | Mecardonia | Top Perfomer | University of Wisconsin | Midwest | 2012 |
5a 5b |
4 5 |
| Rockapulco® Coral Reef Double Impatiens Impatiens walleriana | Impatiens | Top Performer | University of Wisconsin | Midwest | 2011 |
5a 5b |
4 5 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | University of Wisconsin | Midwest | 2018 |
5a 5b |
4 5 |
| Graceful Grasses® Vertigo® Purple Fountain Grass Pennisetum purpureum | Pennisetum | Top Performer | University of Wisconsin | Midwest | 2010 |
5a 5b |
4 5 |
| Superbells® Lemon Slice® Calibrachoa | Calibrachoa | Top Perfomer | University of Wisconsin | Midwest | 2012 |
5a 5b |
4 5 |
| Limon Blush™ Coleus scutellarioides | Coleus | Top Performer | University of Wisconsin | Midwest | 2010 |
5a 5b |
4 5 |
| Superbena® Cobalt™ Verbena | Verbena | Top Performer | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Supertunia Vista® Bubblegum® II Petunia | Petunia | Perfect Score | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Superbells® Yellow Chiffon™ Calibrachoa | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2012 | 6b | 7 |
| Snow Princess® Sweet Alyssum Lobularia | Lobularia | Top Performer | University of Tennessee - Knoxville | Southeast | 2012 | 6b | 7 |
| Superbells® Yellow IV Calibrachoa | Calibrachoa | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Superbells® Honeyberry™ Calibrachoa | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Angelface® Cascade Snow Summer Snapdragon Angelonia | Angelonia | Top Performer | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Safari® Sky South African Phlox Jamesbrittenia | Jamesbrittenia | 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 |
| Superbells® Double Yellow Double Calibrachoa Calibrachoa | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Augusta® Lavender Heliotrope Heliotropium | Heliotropium | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
| Mojave® Red II Purslane Portulaca umbraticola | Portulaca | Top Performer | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Double Up™ Red Begonia semperflorens | Begonia | Perfect Score | University of Tennessee - Knoxville | Southeast | 2022 | 6b | 7 |
