Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Amazel Basil® Sweet Italian Basil Ocimum hybrid | Ocimum | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Rockapulco® White Double Impatiens Impatiens walleriana | Impatiens | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Fishnet Stockings Coleus scutellarioides | Coleus | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Daredevil® Mulberry Zonal Geranium Pelargonium zonale | Pelargonium | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Field Day Top Pick | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Angelina Sedum rupestre | Sedum | Arboretum Approved | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| ColorBlaze® Strawberry Drop Coleus scutellarioides | Coleus | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
| Supertunia Vista® Bubblegum® Petunia hybrid | Petunia | Perect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
| Pink Chablis® Dead Nettle Lamium maculatum | Lamium | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Daredevil® Salmon Zonal Geranium Pelargonium zonale | Pelargonium | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Pick | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Stratosphere™ White Butterfly Flower Gaura lindheimeri | Gaura | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Graceful Grasses® Ogon Golden Variegated Sweet Flag Acorus gramineus | Acorus | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Butterfly Deep Rose Pentas lanceolata | Pentas | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| ColorBlaze® El Brighto Coleus scutellarioides | Coleus | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2021 | 6b | 8 |
| Artist® Blue Flossflower Ageratum hybrid | Ageratum | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Zinfandel™ Oxalis vulcanicola | Oxalis | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Rockin'® Blue Suede Shoes™ Salvia hybrid | Salvia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2019 | 6b | 8 |
