Best Regional Plants
| Plant Name | Genus | Award |
Trial |
Region | Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Mystic Illusion Dahlia | Dahlia | Best of the Zoo | Cincinnati Zoo and Botanical Garden | Midwest | 2007 | 6a | 6 |
| Supertunia® Blue Tiara™ petunia Petunia | Petunia | Top Performer | Cincinnati Zoo and Botanical Garden | Midwest | 2024 | 6a | 6 |
| Diamond Snow® Euphorbia | Euphorbia | Top Performer | Cincinnati Zoo and Botanical Garden | Midwest | 2019 | 6a | 6 |
| Mystic Illusion Dahlia | Dahlia | Top Performer | Cincinnati Zoo and Botanical Garden | Midwest | 2010 | 6a | 6 |
| Summer Wave® Trailing Large Violet Wishbone Flower Torenia | Torenia | Best of the Zoo | Cincinnati Zoo and Botanical Garden | Midwest | 2007 | 6a | 6 |
| Supertunia Vista® Bubblegum® II Petunia | Petunia | Best of the Zoo | Cincinnati Zoo and Botanical Garden | Midwest | 2007 | 6a | 6 |
| ColorBlaze® Dipt in Wine Coleus scutellarioides | Coleus | Best of the Zoo | Cincinnati Zoo and Botanical Garden | Midwest | 2007 | 6a | 6 |
| Graceful Grasses® Purple Fountain Grass Pennisetum setaceum 'Rubrum' | Pennisetum | Best of the Zoo | Cincinnati Zoo and Botanical Garden | Midwest | 2007 | 6a | 6 |
| Margarita Sweet Potato Vine Ipomoea batatas | Ipomoea | Best of the Zoo | Cincinnati Zoo and Botanical Garden | Midwest | 2007 | 6a | 6 |
| Unplugged® Pink Salvia | Salvia | Top Performer | Cincinnati Zoo and Botanical Garden | Midwest | 2024 | 6a | 6 |
| Superbells® Double Amber Double Calibrachoa Calibrachoa | Calibrachoa | Top Performer | Cincinnati Zoo and Botanical Garden | Midwest | 2019 | 6a | 6 |
| Graceful Grasses® Baby Tut® Umbrella Grass Cyperus involucratus | Cyperus | Top Performer | Cincinnati Zoo and Botanical Garden | Midwest | 2010 | 6a | 6 |
| Persian Shield Strobilanthes dyerianus | Strobilanthes | Best of the Zoo | Cincinnati Zoo and Botanical Garden | Midwest | 2007 | 6a | 6 |
| Gays Delight Coleus scutellarioides | Coleus | Best of the Zoo | Cincinnati Zoo and Botanical Garden | Midwest | 2007 | 6a | 6 |
| Freckles Coleus scutellarioides | Coleus | Best of the Zoo | Cincinnati Zoo and Botanical Garden | Midwest | 2007 | 6a | 6 |
| Diamond Frost® Euphorbia | Euphorbia | Best of the Zoo | Cincinnati Zoo and Botanical Garden | Midwest | 2007 | 6a | 6 |
| Persian Shield Strobilanthes dyerianus | Strobilanthes | Best of the Zoo | Cincinnati Zoo and Botanical Garden | Midwest | 2007 | 6a | 6 |
| Heart to Heart® 'Hot Flash' Sun or Shade Caladium Caladium hortulanum | Caladium | Top Performer | Cincinnati Zoo and Botanical Garden | Midwest | 2021 | 6a | 6 |
| Graceful Grasses® Vertigo® Purple Fountain Grass Pennisetum purpureum | Pennisetum | Hall of Fame | Cincinnati Zoo and Botanical Garden | Midwest | 2012 | 6a | 6 |
| Supertunia Vista® Silverberry Petunia | Petunia | Top Performer | Cincinnati Zoo and Botanical Garden | Midwest | 2010 | 6a | 6 |
