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 | 2005 | 7b | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top 5 Performer | Penn State University | Northeast | 2005 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top 5 Performer | Penn State University | Northeast | 2005 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top 5 Performer | Penn State University | Northeast | 2005 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top 5 Performer | Penn State University | Northeast | 2005 | 6a |
5 6 |
| Supertunia® Silver Petunia hybrid | Petunia | Gardener Selects | Penn State University | Northeast | 2005 | 6a |
5 6 |
| Supertunia® Silver Petunia hybrid | Petunia | Gardener Selects | Penn State University | Northeast | 2005 | 6a |
5 6 |
| Supertunia® Silver Petunia hybrid | Petunia | Gardener Selects | Penn State University | Northeast | 2005 | 6a |
5 6 |
| Supertunia® Silver Petunia hybrid | Petunia | Gardener Selects | Penn State University | Northeast | 2005 | 6a |
5 6 |
| Supertunia Vista® Bubblegum® II Petunia hybrid | Petunia | Top Performer | Penn State University | Northeast | 2005 | 6a |
5 6 |
| Stratosphere™ White Butterfly Flower Oenothera lindheimeri | Oenothera | Top Performer | Penn State University | Northeast | 2005 | 6a |
5 6 |
| Stratosphere™ White Butterfly Flower Oenothera lindheimeri | Oenothera | Top Performer | Penn State University | Northeast | 2005 | 6a |
5 6 |
| Supertunia Vista® Bubblegum® II Petunia hybrid | Petunia | Top Performer | Penn State University | Northeast | 2005 | 6a |
5 6 |
| Stratosphere™ White Butterfly Flower Oenothera lindheimeri | Oenothera | Top Performer | Penn State University | Northeast | 2005 | 6a |
5 6 |
| Supertunia Vista® Bubblegum® II Petunia hybrid | Petunia | Top Performer | Penn State University | Northeast | 2005 | 6a |
5 6 |
| Stratosphere™ White Butterfly Flower Oenothera lindheimeri | Oenothera | Top Performer | Penn State University | Northeast | 2005 | 6a |
5 6 |
| Supertunia Vista® Bubblegum® II Petunia hybrid | Petunia | Top Performer | Penn State University | Northeast | 2005 | 6a |
5 6 |
| Catalina® Midnight Blue Wishbone Flower Torenia hybrid | Torenia | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Pink Chablis® Dead Nettle Lamium maculatum | Lamium | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| White Chiffon® Rose of Sharon Hibiscus syriacus | Hibiscus | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |




