Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Surefire® Rose Begonia benariensis | Begonia | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2022 | 6b | 8 |
| 'Sweet Caroline Light Green' Sweet Potato Vine Ipomoea batatas | Ipomoea | Flame Proof | Dallas Arboretum | Southwest | 2003 | 8a | 9 |
| Butterfly Deep Pink Pentas lanceolata | Pentas | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Dragon Wing® Red Angelwing Begonia Begonia hybrid | Begonia | Flame Proof | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Daredevil® Rosita Zonal Geranium Pelargonium zonale | Pelargonium | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Butterfly White Pentas lanceolata | Pentas | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| 'Flamenco Samba' Cuphea llavea | Cuphea | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Suncredible® Saturn™ Sunflower Helianthus hybrid | Helianthus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2021 | 6b | 8 |
| Artist® Blue Flossflower Ageratum hybrid | Ageratum | Rising Star | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Campfire® Marshmallow™ Bidens hybrid | Bidens | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2023 | 6b | 8 |
| Superbells® Coral Sun™ Calibrachoa hybrid | Calibrachoa | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2022 | 6b | 8 |
| Dragon Wing® Red Angelwing Begonia Begonia hybrid | Begonia | Flame Proof | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Artist® Blue Flossflower Ageratum hybrid | Ageratum | Arboretum Approved | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Diamond Snow® Euphorbia hybrid | Euphorbia | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2020 | 6b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| 'Flamenco Samba' Cuphea llavea | Cuphea | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Daredevil® Rosita Zonal Geranium Pelargonium zonale | Pelargonium | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Flambe® Yellow Strawflower Chrysocephalum apiculatum | Chrysocephalum | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Catalina® Midnight Blue Wishbone Flower Torenia hybrid | Torenia | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Summer Wave® Trailing Large Amethyst Wishbone Flower Torenia hybrid | Torenia | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
