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 | 2022 | 6b | 8 |
| White Chiffon® Rose of Sharon Hibiscus syriacus | Hibiscus | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Island Giants® Coffee Cups elephant's ear Colocasia esculenta | Colocasia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| GoldDust® Mecardonia | Mecardonia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Supertunia Vista® Bubblegum® II Petunia | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2021 | 6b | 8 |
| Snow Princess® Sweet Alyssum Lobularia | Lobularia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Supertunia Mini Vista® Yellow Petunia | Petunia | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2023 | 6b | 8 |
| Artist® Blue Flossflower Ageratum | Ageratum | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Pink Chaos Coleus scutellarioides | Coleus | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Artist® Blue Flossflower Ageratum | Ageratum | Arboretum Approved | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Variegatum Sedum lineare | Sedum | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Superbells® Yellow Chiffon™ Calibrachoa | Calibrachoa | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Pink Chablis® Dead Nettle Lamium maculatum | Lamium | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Lavender Lace Cuphea hyssopifolia | Cuphea | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| ColorBlaze® Chocolate Drop Coleus scutellarioides | Coleus | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
| Island Giants® Heart of the Jungle® elephant's ear Colocasia esculenta | Colocasia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Catalina® Midnight Blue Wishbone Flower Torenia | Torenia | Flame Proof | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Supertunia® Lovie Dovie™ Petunia | Petunia | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2020 | 6b | 8 |
| ColorBlaze® El Brighto Coleus scutellarioides | Coleus | Flame Proof | Dallas Arboretum | Southwest | 2025 | 8a | 9 |
| Supertunia Vista® Silverberry Petunia | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
