Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Diamond Snow® Euphorbia hybrid | Euphorbia | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Truffula™ Pink Globe Amaranth Gomphrena pulchella | Gomphrena | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Suncredible® Yellow Sunflower Helianthus hybrid | Helianthus | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Sweet Caroline Medusa™ Green Ornamental Sweet Potato Vine Ipomoea batatas | Ipomoea | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Sweet Caroline Sweetheart Jet Black™ Sweet Potato Vine Ipomoea batatas | Ipomoea | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Sweet Caroline Sweetheart Mahogany™ Ornamental Sweet Potato Vine Ipomoea hybrid | Ipomoea | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Supertunia Mini Vista® Hot Pink Petunia hybrid | Petunia | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Supertunia Mini Vista® Indigo Petunia hybrid | Petunia | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Supertunia Mini Vista® Scarlet Petunia hybrid | Petunia | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Supertunia Mini Vista® Violet Star Petunia hybrid | Petunia | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Supertunia Mini Vista® Pink Star Petunia hybrid | Petunia | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Supertunia Mini Vista® Yellow Petunia hybrid | Petunia | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Supertunia Vista® Jazzberry® Petunia hybrid | Petunia | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Supertunia Vista® Silverberry Petunia hybrid | Petunia | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Supertunia Vista® Snowdrift™ Petunia hybrid | Petunia | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Whirlwind® Pink Fan Flower Scaevola aemula | Scaevola | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Lemon Coral® Sedum mexicanum | Sedum | Top Performer | Cincinnati Zoo and Botanical Garden | Northeast | 2023 | 6a | 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Excellent Rating | Massachusetts Horticultural Society at Elm Bank | Northeast | 2008 | 6a | 4 |
| Artist® Blue Flossflower Ageratum hybrid | Ageratum | Excellent Rating | Massachusetts Horticultural Society at Elm Bank | Northeast | 2008 | 6a | 4 |
