Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Mexican Feather Grass Nassella (formerly Stipa) tenuissima | Nassella (formerly Stipa) | Arboretum Approved | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Luscious® Royale Cosmo Lantana camara | Lantana | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2020 | 6b | 8 |
| Butterfly Red 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 |
| Artist® Blue Flossflower Ageratum hybrid | Ageratum | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Angelina Sedum rupestre | Sedum | Arboretum Approved | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| ColorBlaze® Dipt in Wine Coleus scutellarioides | Coleus | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Artist® Blue Flossflower Ageratum hybrid | Ageratum | Field Day Top Pick | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Coffee Cups Elephant's Ear Colocasia esculenta | Colocasia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Superbena® Whiteout™ Verbena hybrid | Verbena | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
| Evergold Sedge Carex hachijoensis | Carex | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Supertunia Vista® Silverberry Petunia hybrid | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| Butterfly White Pentas lanceolata | Pentas | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Black Pearl Pepper Capsicum | Capsicum | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| ColorBlaze® Chocolate Drop Coleus scutellarioides | Coleus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2023 | 6b | 8 |
| Double Up™ Red Begonia semperflorens | Begonia | Flameproof | Dallas Arboretum | Southwest | 2022 | 8a | 9 |
| Limon Blush™ Coleus scutellarioides | Coleus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Summer Wave® Trailing Large Violet Wishbone Flower Torenia hybrid | Torenia | Flame Proof | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Catalina® Gilded Grape™ Wishbone Flower Torenia hybrid | Torenia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Truffula™ Pink Globe Amaranth Gomphrena pulchella | Gomphrena | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2020 | 6b | 8 |
