Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Lavender Lace Cuphea hyssopifolia | Cuphea | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Field Day Top Pick | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Señorita Rosalita® Spider Flower Cleome hybrid | Cleome | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| Supertunia Vista® Silverberry Petunia hybrid | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Supertunia Mini Vista® Pink Star Petunia hybrid | Petunia | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2023 | 6b | 8 |
| Supertunia Mini Vista® Violet Star Petunia hybrid | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2023 | 6b | 8 |
| Sweet Caroline Upside™ Key Lime Ornamental Sweet Potato Vine Ipomoea batatas | Ipomoea | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2023 | 6b | 8 |
| ColorBlaze® Wicked Hot® Coleus scutellarioides | Coleus | Perfect Score all Season - Best of Show | Oklahoma State University Botanical Gardens | Southwest | 2019 | 6b | 8 |
| Artist® Blue Flossflower Ageratum hybrid | Ageratum | Arboretum Approved | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Flame Proof | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Sunstar® Lavender Egyptian Star Flower Pentas lanceolata | Pentas | Perfect Score all Season | Oklahoma State University Botanical Gardens | Southwest | 2019 | 6b | 8 |
| Butterfly Deep Rose Pentas lanceolata | Pentas | Arboretum Approved | 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 |
| Dragon Wing® Red Angelwing Begonia Begonia hybrid | Begonia | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Superbells® Double Amber Double Calibrachoa Calibrachoa hybrid | Calibrachoa | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2020 | 6b | 8 |
| ColorBlaze® Chocolate Drop Coleus scutellarioides | Coleus | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
| Snow Princess® Sweet Alyssum Lobularia hybrid | Lobularia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Luscious® Grape Lantana montevidensis | Lantana | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| ColorBlaze® Newly Noir™ Coleus scutellarioides | Coleus | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2021 | 6b | 8 |
