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 |
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Top Performer | University of Wisconsin | Midwest | 2010 |
5a 5b |
4 5 |
| Superbells® Cardinal Star™ Calibrachoa hybrid | Calibrachoa | 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 |
| Snow Princess® Sweet Alyssum Lobularia hybrid | Lobularia | Top Performer | University of Wisconsin | Midwest | 2011 |
5a 5b |
4 5 |
| Laguna® Dark Blue Lobelia erinus | Lobelia | Top Performer | University of Wisconsin | Midwest | 2010 |
5a 5b |
4 5 |
| Superbena® Red Verbena hybrid | Verbena | Top Performer | University of Wisconsin | Midwest | 2018 |
5a 5b |
4 5 |
| Supertunia Vista® Bubblegum® II Petunia hybrid | Petunia | Top Performer | University of Wisconsin | Midwest | 2011 |
5a 5b |
4 5 |
| GoldDust® Mecardonia hybrid | Mecardonia | Top Performer | University of Tennessee - Knoxville | Southeast | 2012 | 6b | 7 |
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Best Performer | University of Tennessee - Knoxville | Southeast | 2009 | 6b | 7 |
| Mojave® Red Purslane Portulaca umbraticola | Portulaca | Top Performer | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Angelface® Cascade Blue Summer Snapdragon Angelonia hybrid | Angelonia | Top Performer | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Superbells® Watermelon Punch™ Calibrachoa hybrid | Calibrachoa | Top Performer | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Amazel Basil® Sweet Italian Basil Ocimum hybrid | Ocimum | Perfect Score | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Sunstar® Red Egyptian Star Flower Pentas lanceolata | Pentas | Perfect Score All Season | University of Tennessee - Knoxville | Southeast | 2019 | 6b | 7 |
| Señorita Rosalita® Spider Flower Cleome hybrid | Cleome | Top Performer | University of Tennessee - Knoxville | Southeast | 2012 | 6b | 7 |
| Señorita Rosalita® Spider Flower Cleome hybrid | Cleome | Top Performer | University of Tennessee - Knoxville | Southeast | 2011 | 6b | 7 |
| Meteor Shower® Verbena bonariensis | Verbena | Top Performer | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
| Graceful Grasses® Vertigo® Purple Fountain Grass Pennisetum purpureum | Pennisetum | Top Performer | University of Tennessee - Knoxville | Southeast | 2011 | 6b | 7 |
| Safari® Dawn South African Phlox Jamesbrittenia hybrid | Jamesbrittenia | Top Performer | University of Tennessee - Knoxville | Southeast | 2021 | 6b | 7 |
