Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Butterfly Deep Rose Pentas lanceolata | Pentas | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Summer Wave® Trailing Large Blue Wishbone Flower Torenia hybrid | Torenia | Flame Proof | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Superbells® Yellow Chiffon™ Calibrachoa hybrid | Calibrachoa | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2012 | 6b | 8 |
| Evergold Sedge Carex hachijoensis | Carex | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Snow Princess® Sweet Alyssum Lobularia hybrid | Lobularia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| ColorBlaze® Wicked Hot® Coleus scutellarioides | Coleus | Perfect Score all Season - Best of Show | Oklahoma State University Botanical Gardens | Southwest | 2019 | 6b | 8 |
| Flambe® Yellow Strawflower Chrysocephalum apiculatum | Chrysocephalum | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Supertunia Vista® Bubblegum® Petunia hybrid | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2012 | 6b | 8 |
| ColorBlaze® Golden Dreams™ Coleus scutellarioides | Coleus | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
| Molten Lava™ Oxalis vulcanicola | Oxalis | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Supertunia Mini Vista® Pink Star Petunia hybrid | Petunia | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2023 | 6b | 8 |
| 'Sweet Caroline Light Green' Sweet Potato Vine Ipomoea batatas | Ipomoea | North Texas Winners Circle | Dallas Arboretum | Southwest | 2003 | 8a | 9 |
| Supertunia Mini Vista® Violet Star Petunia hybrid | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2023 | 6b | 8 |
| 'Flamenco Samba' Cuphea llavea | Cuphea | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Luscious® Basket Tangeglow® Lantana camara | Lantana | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2022 | 6b | 8 |
| Graceful Grasses® Blue Mohawk® Soft Rush Juncus inflexus | Juncus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Dragon Wing® Red Angelwing Begonia Begonia hybrid | Begonia | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Mexican Feather Grass Nassella (formerly Stipa) tenuissima | Nassella (formerly Stipa) | Arboretum Approved | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| 'Golden Delicious' Golden Leaved Pineapple Sage Salvia elegans | Salvia | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Luscious® Marmalade Lantana camara | Lantana | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2021 | 6b | 8 |
