Best Regional Plants
| Plant Name | Genus | Award | Trial | Region |
Year |
Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Diamond Frost® Euphorbia hybrid | Euphorbia | Superior | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Superior | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Superior | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Trial Managers Pick | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Trial Managers Pick | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Trial Managers Pick | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2004 | 7b | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2004 | 7b | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Mississippi State University - Crystal Springs | Southeast | 2004 | 7b | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Trial Managers Pick | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Angelina Sedum rupestre | Sedum | North Texas Winners Circle | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | North Texas Winners Circle | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Artist® Blue Flossflower Ageratum hybrid | Ageratum | North Texas Winners Circle | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Angelina Sedum rupestre | Sedum | North Texas Winners Circle | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Artist® Blue Flossflower Ageratum hybrid | Ageratum | North Texas Winners Circle | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Artist® Blue Flossflower Ageratum hybrid | Ageratum | North Texas Winners Circle | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Angelina Sedum rupestre | Sedum | North Texas Winners Circle | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | North Texas Winners Circle | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best New Plant | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best New Plant | Penn State University | Northeast | 2004 | 6a |
5 6 |
