Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Double Up™ Red Begonia semperflorens | Begonia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2022 | 6b | 8 |
| Sweet Caroline Red Hawk™ Ornamental Sweet Potato Vine Ipomoea hybrid | Ipomoea | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2023 | 6b | 8 |
| Angelface® Cascade Blue Summer Snapdragon Angelonia hybrid | Angelonia | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
| Angelina Sedum rupestre | Sedum | Arboretum Approved | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Pink Chablis® Dead Nettle Lamium maculatum | Lamium | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Angelina Sedum rupestre | Sedum | Arboretum Approved | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Artist® Blue Flossflower Ageratum hybrid | Ageratum | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Superbena® Cherryburst Verbena hybrid | Verbena | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2023 | 6b | 8 |
| Luscious® Royale Piña Colada Lantana camara | Lantana | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2012 | 6b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Pick | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Graceful Grasses® Baby Tut® Umbrella Grass Cyperus involucratus | Cyperus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Supertunia Mini Vista® Indigo Petunia hybrid | Petunia | Perfect Score all Season | Oklahoma State University Botanical Gardens | Southwest | 2019 | 6b | 8 |
| Luscious® Royale Cosmo Lantana camara | Lantana | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2020 | 6b | 8 |
| Graceful Grasses® Curly Wurly Corkscrew Rush Juncus effusus | Juncus | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2022 | 6b | 8 |
| ColorBlaze® Strawberry Drop Coleus scutellarioides | Coleus | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Festival Star® Hardy Baby's Breath Gypsophila paniculata | Gypsophila | 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 |
