Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| 'Golden Delicious' Golden Leaved Pineapple Sage Salvia elegans | Salvia | FlameProof Plants | Dallas Arboretum | Southwest | 2020 | 8a | 9 |
| Flambe® Yellow Strawflower Chrysocephalum apiculatum | Chrysocephalum | Rising Str | Dallas Arboretum | Southwest | 2010 | 8a | 9 |
| Diamond Snow® Euphorbia hybrid | Euphorbia | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2020 | 6b | 8 |
| Variegatum Sedum lineare | Sedum | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Double Up™ White Begonia semperflorens | Begonia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2022 | 6b | 8 |
| Augusta® Lavender Heliotrope Heliotropium hybrid | Heliotropium | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2022 | 6b | 8 |
| Graceful Grasses® Baby Tut® Umbrella Grass Cyperus involucratus | Cyperus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Angelface® Cascade Blue Summer Snapdragon Angelonia hybrid | Angelonia | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2021 | 6b | 8 |
| Butterfly Red Pentas lanceolata | Pentas | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| Supertunia Mini Vista® Ultramarine Petunia hybrid | Petunia | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2023 | 6b | 8 |
| Molten Lava™ Oxalis vulcanicola | Oxalis | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Supertunia Vista® Bubblegum® Petunia hybrid | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2012 | 6b | 8 |
| Pink Chablis® Dead Nettle Lamium maculatum | Lamium | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Dragon Wing® Pink Angelwing Begonia Begonia hybrid | Begonia | Flame Proof | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Supertunia Vista® Snowdrift™ Petunia hybrid | Petunia | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2021 | 6b | 8 |
| Beth's Blue® Star Flower Isotoma axillaris | Isotoma | Best Performer | Dallas Arboretum | Southwest | 2009 | 8a | 9 |
| Dragon Wing® Red Angelwing Begonia Begonia hybrid | Begonia | Flame Proof | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Butterfly Red Pentas lanceolata | Pentas | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Superbells® Holy Cow!™ Calibrachoa hybrid | Calibrachoa | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
