Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| ColorBlaze® Mini Me™ Watermelon Coleus scutellarioides | Coleus | Flame Proof | Dallas Arboretum | Southwest | 2025 | 8a | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Field Day Top Pick | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Big Leaf Creeping Wire Vine Muehlenbeckia complexa | Muehlenbeckia | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2022 | 6b | 8 |
| Beth's Blue® Star Flower Isotoma axillaris | Isotoma | Best of Newer Varieties | Dallas Arboretum | Southwest | 2009 | 8a | 9 |
| Supertunia Mini Vista® Midnight Petunia | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2022 | 6b | 8 |
| Butterfly Deep Rose Pentas lanceolata | Pentas | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Suncredible® Saturn™ Sunflower Helianthus | Helianthus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2022 | 6b | 8 |
| Beth's Blue® Star Flower Isotoma axillaris | Isotoma | Visitor Favorites | Dallas Arboretum | Southwest | 2009 | 8a | 9 |
| Dragon Wing® Pink Angelwing Begonia Begonia | Begonia | Flame Proof | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Luscious® Grape Lantana montevidensis | Lantana | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| Supertunia Vista® Cool Jazz® Petunia | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2025 | 6b | 8 |
| Superbells® Coral Sun™ Calibrachoa | Calibrachoa | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2020 | 6b | 8 |
| Superbells® Double Vintage Coral™ Double Calibrachoa Calibrachoa | Calibrachoa | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2025 | 6b | 8 |
| Lavender Chiffon® Hibiscus syriacus | Hibiscus | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Supertunia Vista® Snowdrift™ Petunia | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2019 | 6b | 8 |
| Zinfandel™ Oxalis vulcanicola | Oxalis | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Butterfly White Pentas lanceolata | Pentas | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Artist® Blue Flossflower Ageratum | Ageratum | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| ColorBlaze® Cherry Drop Coleus scutellarioides | Coleus | Top Performer - Hanging Basket - Sun | Dallas Arboretum | Southwest | 2024 | 8a | 9 |
| Charmed® Wine Shamrock Oxalis triangularis | Oxalis | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
