Best Regional Plants
| Plant Name | Genus | Award | Trial | Region | Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best Annuals at the Zoo | Cincinnati Zoo and Botanical Garden | Midwest | 2006 | 6a | 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best Annuals at the Zoo | Cincinnati Zoo and Botanical Garden | Midwest | 2006 | 6a | 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best Annuals at the Zoo | Cincinnati Zoo and Botanical Garden | Midwest | 2006 | 6a | 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Illinois-Champaign County Master Gardeners | Midwest | 2005 | 5b | 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Illinois-Champaign County Master Gardeners | Midwest | 2005 | 5b | 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Illinois-Champaign County Master Gardeners | Midwest | 2005 | 5b | 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | University of Illinois-Champaign County Master Gardeners | Midwest | 2005 | 5b | 6 |
| Diamond Mountain® Euphorbia hybrid | Euphorbia | Perfect Score All Season | University of Minnesota - Morris | Midwest | 2018 | 4 | |
| Diamond Mountain® Euphorbia hybrid | Euphorbia | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2018 | 5b | 5 |
| Diamond Mountain® Euphorbia hybrid | Euphorbia | Top Performer | University of Wisconsin | Midwest | 2018 |
5a 5b |
4 5 |
| Diamond Mountain® Euphorbia hybrid | Euphorbia | Top Performer | South Dakota State - McCrory Gardens | Midwest | 2018 |
4a 4b |
|
| Diamond Mountain® Euphorbia hybrid | Euphorbia | Zoo's Best | Cincinnati Zoo and Botanical Garden | Midwest | 2018 | 6a | 6 |
| Diamond Mountain® Euphorbia hybrid | Euphorbia | Top 10 | University of Minnesota - Grand Rapids | Midwest | 2017 |
3a 3b |
3 |
| Diamond Snow® Euphorbia hybrid | Euphorbia | Top Performer | Cincinnati Zoo and Botanical Garden | Midwest | 2023 | 6a | 6 |
| Diamond Snow® Euphorbia hybrid | Euphorbia | Top Performer | Cincinnati Zoo and Botanical Garden | Midwest | 2020 | 6a | 6 |
| Diamond Snow® Euphorbia hybrid | Euphorbia | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2020 | 5b | 5 |
| Diamond Snow® Euphorbia hybrid | Euphorbia | Top Performer - In Ground | University of Minnesota - Grand Rapids | Midwest | 2020 |
3a 3b |
3 |
| Diamond Snow® Euphorbia hybrid | Euphorbia | Top Performer - Hanging Baskets | University of Minnesota - Grand Rapids | Midwest | 2020 |
3a 3b |
3 |
| Diamond Snow® Euphorbia hybrid | Euphorbia | Top Performer - Container | University of Minnesota - Morris | Midwest | 2020 | 4 | |
| Diamond Snow® Euphorbia hybrid | Euphorbia | Top Performer | South Dakota State - McCrory Gardens | Midwest | 2020 |
4a 4b |
