Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Superbena® Raspberry Verbena hybrid | Verbena | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Superbena Sparkling® Amethyst Verbena hybrid | Verbena | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2019 | 6b | 8 |
| Black Pearl Pepper Capsicum | Capsicum | North Texas Winners Circle | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Butterfly Red Pentas lanceolata | Pentas | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Evergold Sedge Carex hachijoensis | Carex | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Supertunia Vista® Silverberry Petunia hybrid | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Summer Wave® Trailing Large Violet Wishbone Flower Torenia hybrid | Torenia | Flame Proof | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Prima Angelina Stonecrop Sedum rupestre | Sedum | Arboretum Approved | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Black Pearl Pepper Capsicum | Capsicum | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| 'Flamenco Samba' Cuphea llavea | Cuphea | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| 'Flamenco Samba' Cuphea llavea | Cuphea | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Butterfly Deep Pink Pentas lanceolata | Pentas | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| GoldDust® Mecardonia hybrid | Mecardonia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2012 | 6b | 8 |
| Mojave® Red Purslane Portulaca umbraticola | Portulaca | Perfect Score all Season | Oklahoma State University Botanical Gardens | Southwest | 2019 | 6b | 8 |
| Butterfly White Pentas lanceolata | Pentas | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Luscious® Grape Lantana montevidensis | Lantana | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| Evergold Sedge Carex hachijoensis | Carex | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
