Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Suncredible® Saturn™ Sunflower Helianthus | Helianthus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2021 | 6b | 8 |
| Supertunia® Royal Velvet® II Petunia | Petunia | Top Performer | Dallas Arboretum | Southwest | 2021 | 8a | 9 |
| Superbena® Raspberry Verbena | Verbena | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
| Supertunia Mini Vista® Hot Pink Petunia | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2022 | 6b | 8 |
| Augusta® Lavender Heliotrope Heliotropium | Heliotropium | Top Performer | Dallas Arboretum | Southwest | 2022 | 8a | 9 |
| Snow Princess® Sweet Alyssum Lobularia | Lobularia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Black Pearl Pepper Capsicum | Capsicum | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| White Knight® II sweet alyssum Lobularia | Lobularia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2025 | 6b | 8 |
| Señorita Rosalita® Spider Flower Cleome | Cleome | Rising Star | Dallas Arboretum | Southwest | 2008 | 8a | 9 |
| Butterfly White Pentas lanceolata | Pentas | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Supertunia Vista® Snowdrift™ Petunia | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2019 | 6b | 8 |
| Supertunia Vista® Bubblegum® II Petunia | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2012 | 6b | 8 |
| Artist® Blue Flossflower Ageratum | Ageratum | Rising Star | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Dragon Wing® Pink Angelwing Begonia Begonia | Begonia | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Vermillionaire® Large Firecracker Plant Cuphea | Cuphea | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2024 | 6b | 8 |
| Butterfly Deep Rose Pentas lanceolata | Pentas | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Beth's Blue® Star Flower Isotoma axillaris | Isotoma | Visitor Favorites | Dallas Arboretum | Southwest | 2009 | 8a | 9 |
| Luscious® Royale Red Zone™ Lantana camara | Lantana | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2025 | 6b | 8 |
| ColorBlaze® Royale Cherry Brandy® Coleus scutellarioides | Coleus | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
