Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Superbells® Yellow Chiffon™ Calibrachoa hybrid | Calibrachoa | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Snow Princess® Sweet Alyssum Lobularia hybrid | Lobularia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | North Texas Winners Circle | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Artist® Blue Flossflower Ageratum hybrid | Ageratum | Rising Star | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Variegatum Sedum lineare | Sedum | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| ColorBlaze® Dipt in Wine Coleus scutellarioides | Coleus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| 'Flamenco Samba' Cuphea llavea | Cuphea | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Supertunia Vista® Silverberry Petunia hybrid | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| Lavender Lace Cuphea hyssopifolia | Cuphea | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Bright Lights™ Purple African Daisy Osteospermum hybrid | Osteospermum | Top Performer | Dallas Arboretum | Southwest | 2022 | 8a | 9 |
| Daredevil® Snow Zonal Geranium Pelargonium zonale | Pelargonium | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| White Chiffon® Rose of Sharon Hibiscus syriacus | Hibiscus | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Coffee Cups Elephant's Ear Colocasia esculenta | Colocasia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| 'Flamenco Samba' Cuphea llavea | Cuphea | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Flambe® Yellow Strawflower Chrysocephalum apiculatum | Chrysocephalum | Rising Str | Dallas Arboretum | Southwest | 2010 | 8a | 9 |
| Summer Wave® Trailing Large Amethyst Wishbone Flower Torenia hybrid | Torenia | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Sweet Caroline Medusa™ Green Ornamental Sweet Potato Vine Ipomoea batatas | Ipomoea | Top Performer | Dallas Arboretum | Southwest | 2021 | 8a | 9 |
| Butterfly Deep Pink Pentas lanceolata | Pentas | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| ColorBlaze® Velveteen® Coleus scutellarioides | Coleus | Top Performer | Dallas Arboretum | Southwest | 2021 | 8a | 9 |
| Truffula™ Pink Globe Amaranth Gomphrena pulchella | Gomphrena | Top Performer | Dallas Arboretum | Southwest | 2019 | 8a | 9 |
