Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Surefire® Red II Begonia benariensis | Begonia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2022 | 6b | 8 |
| Island Giants® Coffee Cups elephant's ear Colocasia esculenta | Colocasia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| Artist® Blue Flossflower Ageratum | Ageratum | Field Day Top Pick | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Superbells® Yellow Chiffon™ Calibrachoa | Calibrachoa | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Pink Chablis® Dead Nettle Lamium maculatum | Lamium | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Artist® Blue Flossflower Ageratum | Ageratum | Rising Star | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| ColorBlaze® Mini Me™ Watermelon Coleus scutellarioides | Coleus | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2022 | 6b | 8 |
| ColorBlaze® Chocolate Drop Coleus scutellarioides | Coleus | Perfect Score All Season | Oklahoma State University Botanical Gardens | Southwest | 2018 | 6b | 8 |
| Artist® Blue Flossflower Ageratum | Ageratum | Rising Star | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2012 | 6b | 8 |
| Diamond Frost® Euphorbia | Euphorbia | Top Pick | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Evergold Sedge Carex hachijoensis | Carex | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Field Day Top Pick | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Space Age® Black Hole™ Rex begonia Begonia rex | Begonia | Flame Proof - Shade | Dallas Arboretum | Southwest | 2025 | 8a | 9 |
| Snow Princess® Sweet Alyssum Lobularia | Lobularia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Graceful Grasses® Blue Mohawk® Soft Rush Juncus inflexus | Juncus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Dragon Wing® Red Angelwing Begonia Begonia | Begonia | Flame Proof | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Sweet Caroline Upside™ Key Lime Ornamental Sweet Potato Vine Ipomoea batatas | Ipomoea | Flame Proof & Top Performer | Dallas Arboretum | Southwest | 2025 | 8a | 9 |
| Sweet Caroline Upside™ Key Lime Ornamental Sweet Potato Vine Ipomoea batatas | Ipomoea | Top Performer - In Ground - Part Shade | Dallas Arboretum | Southwest | 2024 | 8a | 9 |
| Snow Princess® Sweet Alyssum Lobularia | Lobularia | Rising Star | Dallas Arboretum | Southwest | 2011 | 8a | 9 |
