Best Regional Plants
| Plant Name | Genus |
Award |
Trial | Region | Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Shadowland® 'Autumn Frost' Hosta hybrid | Hosta | Top Performer | Massachusetts Horticultural Society at Elm Bank | Northeast | 2018 | 6a | 4 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2004 | 7b | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2004 | 7b | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2004 | 7b | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2004 | 7b | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2005 | 7b | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2005 | 7b | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2005 | 7b | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2005 | 7b | 9 |
| Supertunia Vista® Silverberry Petunia | Petunia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2009 | 7b | 9 |
| Superbells® Yellow Chiffon™ Calibrachoa | Calibrachoa | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2009 | 7b | 9 |
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2009 | 7b | 9 |
| Flambe® Yellow Strawflower Chrysocephalum apiculatum | Chrysocephalum | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2009 | 7b | 9 |
| Supertunia Vista® Bubblegum® II Petunia | Petunia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2009 | 7b | 9 |
| ColorBlaze® Dipt in Wine Coleus scutellarioides | Coleus | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2009 | 7b | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2009 | 7b | 9 |
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2009 | 7b | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2009 | 7b | 9 |
| ColorBlaze® Dipt in Wine Coleus scutellarioides | Coleus | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2009 | 7b | 9 |
| Supertunia Vista® Bubblegum® II Petunia | Petunia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2009 | 7b | 9 |
