Best Regional Plants
| Plant Name | Genus | Award | Trial | Region |
Year |
Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top 10 | Mississippi State University - Crystal Springs | Southeast | 2007 | 7b | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top 10 | Mississippi State University - Crystal Springs | Southeast | 2007 | 7b | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best Old Variety | Penn State | Northeast | 2007 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best Old Variety | Penn State | Northeast | 2007 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best Old Variety | Penn State | Northeast | 2007 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best Old Variety | Penn State | Northeast | 2007 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Mexican Feather Grass Nassella (formerly Stipa) tenuissima | Nassella (formerly Stipa) | Arboretum Approved | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Mexican Feather Grass Nassella (formerly Stipa) tenuissima | Nassella (formerly Stipa) | Arboretum Approved | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Mexican Feather Grass Nassella (formerly Stipa) tenuissima | Nassella (formerly Stipa) | Arboretum Approved | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Mexican Feather Grass Nassella (formerly Stipa) tenuissima | Nassella (formerly Stipa) | Arboretum Approved | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| 'Flamenco Samba' Cuphea llavea | Cuphea | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| 'Flamenco Samba' Cuphea llavea | Cuphea | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| 'Flamenco Samba' Cuphea llavea | Cuphea | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
