Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Artist® Blue Flossflower Ageratum | Ageratum | North Texas Winners Circle | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Butterfly Deep Rose Pentas lanceolata | Pentas | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Flambe® Yellow Strawflower Chrysocephalum apiculatum | Chrysocephalum | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Black Pearl Pepper Capsicum | Capsicum | Flame Proof | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| ColorBlaze® Chocolate Drop Coleus scutellarioides | Coleus | Top Performer - Hanging Basket - Sun | Dallas Arboretum | Southwest | 2024 | 8a | 9 |
| 'Prima Angelina' Stonecrop Sedum rupestre | Sedum | Arboretum Approved | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Field Day Top Pick | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Snow Princess® Sweet Alyssum Lobularia | Lobularia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Lavender Chiffon® Hibiscus syriacus | Hibiscus | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Diamond Frost® Euphorbia | Euphorbia | North Texas Winners Circle | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Top Pick | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Artist® Blue Flossflower Ageratum | Ageratum | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Pink Chablis® Dead Nettle Lamium maculatum | Lamium | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Señorita Rosalita® Spider Flower Cleome | Cleome | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| Supertunia Vista® Cool Jazz® Petunia | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2025 | 6b | 8 |
| Diamond Frost® Euphorbia | Euphorbia | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Bright Lights™ Yellow African Daisy Osteospermum | Osteospermum | Top Performer | Dallas Arboretum | Southwest | 2022 | 8a | 9 |
| Butterfly Red Pentas lanceolata | Pentas | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Supertunia Vista® Silverberry Petunia | Petunia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
