Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Pink Chablis® Dead Nettle Lamium maculatum | Lamium | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Superbells® Holy Cow!™ Calibrachoa hybrid | Calibrachoa | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
| ColorBlaze® Dipt in Wine Coleus scutellarioides | Coleus | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| ColorBlaze® Torchlight® Coleus scutellarioides | Coleus | Top Performer | Dallas Arboretum | Southwest | 2019 | 8a | 9 |
| Butterfly White Pentas lanceolata | Pentas | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| ColorBlaze® Royale Apple Brandy® Coleus scutellarioides | Coleus | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2020 | 6b | 8 |
| 'Sweet Caroline Light Green' Sweet Potato Vine Ipomoea batatas | Ipomoea | Flame Proof | Dallas Arboretum | Southwest | 2003 | 8a | 9 |
| Limon Blush™ Coleus scutellarioides | Coleus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| Snow Princess® Sweet Alyssum Lobularia hybrid | Lobularia | October Plant of the Month | Dallas Arboretum | Southwest | 2009 | 8a | 9 |
| Graceful Grasses® Curly Wurly Corkscrew Rush Juncus effusus | Juncus | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2022 | 6b | 8 |
| GoldDust® Mecardonia hybrid | Mecardonia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| 'Flamenco Samba' Cuphea llavea | Cuphea | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Suncredible® Saturn™ Sunflower Helianthus hybrid | Helianthus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2021 | 6b | 8 |
| ColorBlaze® Golden Dreams™ Coleus scutellarioides | Coleus | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
| Small Leaf Creeping Wire Vine Muehlenbeckia axillaris | Muehlenbeckia | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Illusion® Midnight Lace Sweet Potato Vine Ipomoea batatas | Ipomoea | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Daredevil® Rosita Zonal Geranium Pelargonium zonale | Pelargonium | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Black Pearl Pepper Capsicum | Capsicum | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Butterfly Deep Rose Pentas lanceolata | Pentas | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Double Up™ Red Begonia semperflorens | Begonia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2022 | 6b | 8 |
