Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Double Up™ White Begonia semperflorens | Begonia | Flameproof | Dallas Arboretum | Southwest | 2022 | 8a | 9 |
| Superbells® Yellow Chiffon™ Calibrachoa hybrid | Calibrachoa | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| Stratosphere™ White Butterfly Flower Gaura lindheimeri | Gaura | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Daredevil® Rosita Zonal Geranium Pelargonium zonale | Pelargonium | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Black Pearl Pepper Capsicum | Capsicum | Field Day Top Pick | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Graceful Grasses® Ogon Golden Variegated Sweet Flag Acorus gramineus | Acorus | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Graceful Grasses® Ogon Golden Variegated Sweet Flag Acorus gramineus | Acorus | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Molten Lava™ Oxalis vulcanicola | Oxalis | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Lavender Lace Cuphea hyssopifolia | Cuphea | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Black Pearl Pepper Capsicum | Capsicum | Flame Proof | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Graceful Grasses® Ogon Golden Variegated Sweet Flag Acorus gramineus | Acorus | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| Graceful Grasses® Fiber Optic Grass Isolepis (Scirpus) cernua | Isolepis (Scirpus) | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Lavender Chiffon® Hibiscus syriacus | Hibiscus | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| ColorBlaze® Dipt in Wine Coleus scutellarioides | Coleus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Artist® Blue Flossflower Ageratum hybrid | Ageratum | Flame Proof | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Daredevil® Snow Zonal Geranium Pelargonium zonale | Pelargonium | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Beth's Blue® Star Flower Isotoma axillaris | Isotoma | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
