Best Regional Plants
| Plant Name | Genus | Award | Trial | Region | Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2018 | 7b | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Florida - Fort Lauderdale | Southeast | 2018 | 10a | 11 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Perfomer | University of Wisconsin | Midwest | 2012 |
5a 5b |
4 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Very Good | Boerner Botanical Garden | Midwest | 2012 | 5b | 4 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Minnesota - Morris | Midwest | 2012 | 4 | |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Minnesota - Grand Rapids | Midwest | 2012 |
3a 3b |
3 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer in Containers | University of Minnesota - Grand Rapids | Midwest | 2012 |
3a 3b |
3 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Colorado State University | Mountain | 2012 | 5b | 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Northeast | 2012 | 5b | 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Massachusetts Horticultural Society at Elm Bank | Northeast | 2012 | 6a | 4 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top 20 | Mississippi State University - Crystal Springs | Southeast | 2012 | 7b | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Landscape Performer | North Carolina State, JC Raulston Arboretum | Southeast | 2012 | 7b | 3 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Tennessee - Knoxville | Southeast | 2012 | 6b | 7 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Georgia | Southeast | 2012 | 7b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top 10 | North Carolina State, JC Raulston Arboretum | Southeast | 2012 | 7b | 3 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2012 | 6b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best Baskets | University of Minnesota - Grand Rapids | Midwest | 2011 |
3a 3b |
3 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best Baskets | University of Minnesota - Grand Rapids | Midwest | 2011 |
3a 3b |
3 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | South Dakota State - McCrory Gardens | Midwest | 2011 |
4a 4b |
