Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Luscious® Grape Lantana montevidensis | Lantana | Bronze Medal | University of Illinois-Champaign County Master Gardeners | Midwest | 2007 | 5b | 6 |
| Rockapulco® Red Double Impatiens Impatiens walleriana | Impatiens | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2008 | 5b | 5 |
| Rockapulco® Appleblossom Double Impatiens Impatiens walleriana | Impatiens | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2008 | 5b | 5 |
| ColorBlaze® Rediculous® Coleus scutellarioides | Coleus | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2018 | 5b | 5 |
| Supertunia Vista® Silverberry Petunia | Petunia | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2008 | 5b | 5 |
| Amazel Basil® Sweet Italian Basil Ocimum | Ocimum | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2021 | 5b | 5 |
| Supertunia Vista® Silverberry Petunia | Petunia | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2009 | 5b | 5 |
| GoldDust® Mecardonia | Mecardonia | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2012 | 5b | 5 |
| Margarita Sweet Potato Vine Ipomoea batatas | Ipomoea | Bronze Medal | University of Illinois-Champaign County Master Gardeners | Midwest | 2006 | 5b | 6 |
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2009 | 5b | 5 |
| Supertunia Vista® Silverberry Petunia | Petunia | Gold Medal | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2008 | 5b | 5 |
| Snow Princess® Sweet Alyssum Lobularia | Lobularia | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2012 | 5b | 5 |
| Rockapulco® Rose Double Impatiens Impatiens walleriana | Impatiens | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2008 | 5b | 5 |
| Cerveza 'n Lime® Plectranthus | Plectranthus | Bronze Medal | University of Illinois-Champaign County Master Gardeners | Midwest | 2007 | 5b | 6 |
| Snow Princess® Sweet Alyssum Lobularia | Lobularia | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2011 | 5b | 5 |
| Twist and Twirl® Coleus scutellarioides | Coleus | Bronze Medal | University of Illinois-Champaign County Master Gardeners | Midwest | 2007 | 5b | 6 |
| Diamond Frost® Euphorbia | Euphorbia | Silver Medal | University of Illinois-Champaign County Master Gardeners | Midwest | 2007 | 5b | 6 |
| Supertunia Vista® Bubblegum® II Petunia | Petunia | Silver Medal | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2008 | 5b | 5 |
| Supertunia Vista® Bubblegum® II Petunia | Petunia | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2011 | 5b | 5 |
| Diamond Frost® Euphorbia | Euphorbia | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2009 | 5b | 5 |
