Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Festival Star® Hardy Baby's Breath Gypsophila paniculata | Gypsophila | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Sweet Caroline Medusa™ Green Ornamental Sweet Potato Vine Ipomoea batatas | Ipomoea | Top Performer | Dallas Arboretum | Southwest | 2021 | 8a | 9 |
| ColorBlaze® Royale Cherry Brandy® Coleus scutellarioides | Coleus | Top Performer | Dallas Arboretum | Southwest | 2022 | 8a | 9 |
| Black Pearl Pepper Capsicum | Capsicum | North Texas Winners Circle | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Augusta® Lavender Heliotrope Heliotropium | Heliotropium | Top Performer | Dallas Arboretum | Southwest | 2022 | 8a | 9 |
| Catalina® Gilded Grape™ Wishbone Flower Torenia | Torenia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2009 | 6b | 8 |
| Black Pearl Pepper Capsicum | Capsicum | Flame Proof | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Diamond Frost® Euphorbia | Euphorbia | Top Pick | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| Vermillionaire® Large Firecracker Plant Cuphea | Cuphea | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2024 | 6b | 8 |
| Señorita Rosalita® Spider Flower Cleome | Cleome | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Black Pearl Pepper Capsicum | Capsicum | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Zinfandel™ Oxalis vulcanicola | Oxalis | Arboretum Approved | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Snow Princess® Sweet Alyssum Lobularia | Lobularia | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Summer Wave® Trailing Large Blue Wishbone Flower Torenia | Torenia | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Daredevil® Snow Zonal Geranium Pelargonium zonale | Pelargonium | Top Performer | Oklahoma State University Botanical Gardens | Southwest | 2010 | 6b | 8 |
| Lavender Chiffon® Hibiscus syriacus | Hibiscus | Top Pick | Dallas Arboretum | Southwest | 2005 | 8a | 9 |
| Stratosphere™ White Butterfly Flower Oenothera lindheimeri | Oenothera | Arboretum Approved | Dallas Arboretum | Southwest | 2006 | 8a | 9 |
| ColorBlaze® Mini Me™ Watermelon Coleus scutellarioides | Coleus | Perfect Score | Oklahoma State University Botanical Gardens | Southwest | 2022 | 6b | 8 |
| Diamond Frost® Euphorbia | Euphorbia | Rising Star | Dallas Arboretum | Southwest | 2007 | 8a | 9 |
