Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| ColorBlaze® Dipt in Wine Coleus scutellarioides | Coleus | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Black Pearl Pepper Capsicum | Capsicum | Field Day Top Pick | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| ColorBlaze® Dipt in Wine Coleus scutellarioides | Coleus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Superbells Magic™ Pink Lemonade 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 |
| 'Flamenco Samba' Cuphea llavea | Cuphea | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Sweet Caroline Medusa™ Green Ornamental Sweet Potato Vine Ipomoea batatas | Ipomoea | Top Performer | Dallas Arboretum | Southwest | 2021 | 8a | 9 |
| Evergold Sedge Carex hachijoensis | Carex | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Supertunia Vista® Bubblegum® Petunia hybrid | Petunia | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2020 | 6b | 8 |
| Superbells® Yellow Chiffon™ Calibrachoa hybrid | Calibrachoa | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Sunstar® Pink Egyptian Star Flower Pentas lanceolata | Pentas | Flameproof | Dallas Arboretum | Southwest | 2022 | 8a | 9 |
| Limon Blush™ Coleus scutellarioides | Coleus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Whirlwind® Blue Fan Flower Scaevola aemula | Scaevola | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2020 | 6b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Flame Proof | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Luscious® Citrus Blend™ Lantana camara | Lantana | FlameProof Plants | Dallas Arboretum | Southwest | 2020 | 8a | 9 |
| Butterfly Deep Pink Pentas lanceolata | Pentas | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Sunstar® Rose Egyptian Star Flower Pentas lanceolata | Pentas | Perfect Score all Season | Oklahoma State University Botanical Gardens | Southwest | 2019 | 6b | 8 |
| ColorBlaze® Dipt in Wine Coleus scutellarioides | Coleus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Snow Princess® Sweet Alyssum Lobularia hybrid | Lobularia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
