Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Diamond Frost® Euphorbia | Euphorbia | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| Artist® Blue Flossflower Ageratum | Ageratum | Field Day Top Pick | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Fishnet Stockings Coleus scutellarioides | Coleus | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Butterfly Red Pentas lanceolata | Pentas | Flame Proof | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Small Leaf Creeping Wire Vine Muehlenbeckia axillaris | Muehlenbeckia | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Luscious® Grape Lantana montevidensis | Lantana | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| Catalina® Gilded Grape™ Wishbone Flower Torenia hybrid | Torenia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Daredevil® Snow Zonal Geranium Pelargonium zonale | Pelargonium | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Artist® Blue Flossflower Ageratum | Ageratum | Arboretum Approved | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Rockapulco® White II Double Impatiens Impatiens walleriana | Impatiens | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| Señorita Rosalita® Spider Flower Cleome | Cleome | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2008 | 6b | 8 |
| 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 |
| Catalina® Gilded Grape™ Wishbone Flower Torenia hybrid | Torenia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| White Chiffon® Rose of Sharon Hibiscus syriacus | Hibiscus | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Pink Chablis® Dead Nettle Lamium maculatum | Lamium | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Mexican Feather Grass Nassella (formerly Stipa) tenuissima | Nassella (formerly Stipa) | Arboretum Approved | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
| 'Flamenco Samba' Cuphea llavea | Cuphea | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Dragon Wing® Red Angelwing Begonia Begonia hybrid | Begonia | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
