Best Regional Plants
| Plant Name | Genus | Award | Trial | Region | Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | South Dakota State - McCrory Gardens | Midwest | 2011 |
4a 4b |
|
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Michigan State University | Midwest | 2011 | 5b | 4 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Michigan State University | Midwest | 2011 | 5b | 4 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best Annuals | University of Minnesota - Grand Rapids | Midwest | 2011 |
3a 3b |
3 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best Annuals | University of Minnesota - Grand Rapids | Midwest | 2011 |
3a 3b |
3 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Minnesota - Morris | Midwest | 2011 | 4 | |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Wisconsin | Midwest | 2011 |
5a 5b |
4 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Wisconsin | Midwest | 2011 |
5a 5b |
4 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Iowa State - Reiman Gardens | Midwest | 2011 |
5a 5b |
|
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Iowa State - Reiman Gardens | Midwest | 2011 |
5a 5b |
|
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Minnesota - Morris | Midwest | 2011 | 4 | |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best Euphorbia | Colorado State University | Mountain | 2011 | 5b | 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best Euphorbia | Colorado State University | Mountain | 2011 | 5b | 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Colorado State University | Mountain | 2011 | 5b | 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Colorado State University | Mountain | 2011 | 5b | 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Northeast | 2011 | 5b | 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Northeast | 2011 | 5b | 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Superior (top 10%) | Penn State University | Northeast | 2011 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Superior (top 10%) | Penn State University | Northeast | 2011 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | One of the Best | Penn State University | Northeast | 2011 | 6a |
5 6 |
