Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Diamond Frost® Euphorbia | Euphorbia | Field Day Top Pick | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| GoldDust® Mecardonia | Mecardonia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Dragon Wing® Red Angelwing Begonia Begonia | Begonia | Flame Proof | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Dragon Wing® Pink Angelwing Begonia Begonia | Begonia | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| 'Flamenco Samba' Cuphea llavea | Cuphea | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Island Giants® Coffee Cups elephant's ear Colocasia esculenta | Colocasia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| ColorBlaze® Chocolate Drop Coleus scutellarioides | Coleus | Top Performer - Hanging Basket - Sun | Dallas Arboretum | Southwest | 2024 | 8a | 9 |
| Flambe® Yellow Strawflower Chrysocephalum apiculatum | Chrysocephalum | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Hippo® White Polka Dot Plant Hypoestes phyllostachya | Hypoestes | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
| Island Giants® Heart of the Jungle® elephant's ear Colocasia esculenta | Colocasia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Butterfly Deep Rose Pentas lanceolata | Pentas | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Supertunia® Lovie Dovie™ Petunia | Petunia | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2020 | 6b | 8 |
| Fishnet Stockings Coleus scutellarioides | Coleus | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Bright Lights™ Yellow African Daisy Osteospermum | Osteospermum | Top Performer | Dallas Arboretum | Southwest | 2022 | 8a | 9 |
| 'Sweet Caroline Light Green' Sweet Potato Vine Ipomoea batatas | Ipomoea | Arboretum Approved | Dallas Arboretum | Southwest | 2003 | 8a | 9 |
| Daredevil® Rosita Zonal Geranium Pelargonium zonale | Pelargonium | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Limon Blush™ Coleus scutellarioides | Coleus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| Diamond Frost® Euphorbia | Euphorbia | Arboretum Approved | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Luscious® Royale Red Zone™ Lantana camara | Lantana | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2025 | 6b | 8 |
| Graceful Grasses® Blue Mohawk® Soft Rush Juncus inflexus | Juncus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
