Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Stratosphere™ White Butterfly Flower Oenothera lindheimeri | Oenothera | Top 10 | Sawaya Garden Trial | Canada | 2008 | ||
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | Sawaya Garden Trial | Canada | |||
| Supertunia Mini Vista® White Petunia | Petunia | Top Performer | University of Guelph | Canada | 2018 | ||
| Snow Princess® Sweet Alyssum Lobularia | Lobularia | Trial Manager Favorite | University of Guelph | Canada | 2009 | ||
| Freckles Coleus scutellarioides | Coleus | Top Picks | Cincinnati Zoo and Botanical Garden | Midwest | 2004 | 6a | 6 |
| Dragon Wing® Pink Angelwing Begonia Begonia | Begonia | Top Picks | Cincinnati Zoo and Botanical Garden | Midwest | 2004 | 6a | 6 |
| 'Moonbeam' Threadleaf Coreopsis Coreopsis verticillata | Coreopsis | Best Perennials at the Zoo | Cincinnati Zoo and Botanical Garden | Midwest | 2005 | 6a | 6 |
| Silver Mound Wormwood Artemisia schmidtiana | Artemisia | Best Perennials at the Zoo | Cincinnati Zoo and Botanical Garden | Midwest | 2005 | 6a | 6 |
| Texas Parking Lot Coleus scutellarioides | Coleus | Annuals of Note | Cincinnati Zoo and Botanical Garden | Midwest | 2004 | 6a | 6 |
| Persian Shield Strobilanthes dyerianus | Strobilanthes | Top Picks | Cincinnati Zoo and Botanical Garden | Midwest | 2004 | 6a | 6 |
| White Knight® II sweet alyssum Lobularia | Lobularia | Perfect Score | Boerner Botanical Garden | Midwest | 2025 | 5b | 4 |
| Unplugged® Pink Salvia | Salvia | Top Performer | Boerner Botanical Garden | Midwest | 2023 | 5b | 4 |
| Bluebird II Nemesia fruticans | Nemesia | Top Performer | Boerner Botanical Garden | Midwest | 2024 | 5b | 4 |
| Texas Parking Lot Coleus scutellarioides | Coleus | Annuals of Note | Cincinnati Zoo and Botanical Garden | Midwest | 2004 | 6a | 6 |
| Augusta® Lavender Heliotrope Heliotropium | Heliotropium | Top Performer | Boerner Botanical Garden | Midwest | 2024 | 5b | 4 |
| Margarita Sweet Potato Vine Ipomoea batatas | Ipomoea | Top Picks | Cincinnati Zoo and Botanical Garden | Midwest | 2004 | 6a | 6 |
| Campfire® Marshmallow™ Bidens | Bidens | Top Performer | Boerner Botanical Garden | Midwest | 2025 | 5b | 4 |
| Sky Fire Coleus scutellarioides | Coleus | Top Picks | Cincinnati Zoo and Botanical Garden | Midwest | 2004 | 6a | 6 |
| Supertunia Vista® Jazzberry® Petunia | Petunia | Top Performer | Boerner Botanical Garden | Midwest | 2025 | 5b | 4 |
| ColorBlaze® Wicked Witch™ Coleus scutellarioides | Coleus | Top Performer | Boerner Botanical Garden | Midwest | 2025 | 5b | 4 |
