Best Regional Plants
| Plant Name | Genus | Award | Trial | Region | Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Diamond Frost® Euphorbia hybrid | Euphorbia | Leaders of the Pack - summer | North Carolina State, JC Raulston Arboretum | Southeast | 2011 | 7b | 3 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Leaders of the Pack - summer | North Carolina State, JC Raulston Arboretum | Southeast | 2011 | 7b | 3 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best of Breed - Summer | North Carolina State, JC Raulston Arboretum | Southeast | 2011 | 7b | 3 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best of Breed - Summer | North Carolina State, JC Raulston Arboretum | Southeast | 2011 | 7b | 3 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Georgia | Southeast | 2011 | 7b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Georgia | Southeast | 2011 | 7b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Excellent Performer | Mississippi State University - Crystal Springs | Southeast | 2011 | 7b | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Excellent Performer | Mississippi State University - Crystal Springs | Southeast | 2011 | 7b | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Plant of Distinction | University of Georgia | Southeast | 2011 | 7b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Plant of Distinction | University of Georgia | Southeast | 2011 | 7b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Excellent Rating | University Laval | Canada | 2010 | 4a | |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Excellent Rating | University Laval | Canada | 2010 | 4a | |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Excellent Rating | University Laval | Canada | 2010 | 4a | |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Wisconsin | Midwest | 2010 |
5a 5b |
4 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Wisconsin | Midwest | 2010 |
5a 5b |
4 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Wisconsin | Midwest | 2010 |
5a 5b |
4 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Very Good | Massachusetts Horticultural Society at Elm Bank | Northeast | 2010 | 6a | 4 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Very Good | Massachusetts Horticultural Society at Elm Bank | Northeast | 2010 | 6a | 4 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Very Good | Massachusetts Horticultural Society at Elm Bank | Northeast | 2010 | 6a | 4 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Excellent | Massachusetts Horticultural Society at Elm Bank | Northeast | 2010 | 6a | 4 |
