Best Regional Plants
| Plant Name | Genus |
Award |
Trial | Region | Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Superbells® Cardinal Star™ Calibrachoa hybrid | Calibrachoa | Top Ten Annual | Massachusetts Horticultural Society at Elm Bank | Northeast | 2018 | 6a | 4 |
| Luscious® Citrus Blend™ Lantana camara | Lantana | Top Ten Annual | Massachusetts Horticultural Society at Elm Bank | Northeast | 2018 | 6a | 4 |
| Rockin'® Fuchsia Salvia hybrid | Salvia | Top Ten Annual | Massachusetts Horticultural Society at Elm Bank | Northeast | 2018 | 6a | 4 |
| Amazel Basil® Sweet Italian Basil Ocimum hybrid | Ocimum | Top Ten Vegetable | Massachusetts Horticultural Society at Elm Bank | Northeast | 2018 | 6a | 4 |
| Snow Princess® Sweet Alyssum Lobularia hybrid | Lobularia | Trial Manager Favorite | University of Guelph | Canada | 2009 | ||
| Snow Princess® Sweet Alyssum Lobularia hybrid | Lobularia | Trial Manager Favorite | University of Guelph | Canada | 2009 | ||
| Snow Princess® Sweet Alyssum Lobularia hybrid | Lobularia | Trial Manager Favorite | University of Guelph | Canada | 2009 | ||
| Diamond Frost® Euphorbia hybrid | Euphorbia | Trial Manager's Favorite | Colorado State University | Mountain | 2005 | 5b | 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Trial Manager's Favorite | Colorado State University | Mountain | 2005 | 5b | 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Trial Manager's Favorite | Colorado State University | Mountain | 2005 | 5b | 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Trial Manager's Favorite | Colorado State University | Mountain | 2005 | 5b | 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Trial Managers Pick | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Trial Managers Pick | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Trial Managers Pick | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Trial Managers Pick | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Señorita Rosalita® Spider Flower Cleome hybrid | Cleome | Very Good | Boerner Botanical Garden | Midwest | 2012 | 5b | 4 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Very Good | Boerner Botanical Garden | Midwest | 2012 | 5b | 4 |
| Supertunia Vista® Silverberry Petunia hybrid | Petunia | Very Good | Boerner Botanical Garden | Midwest | 2012 | 5b | 4 |
| Blue My Mind® Dwarf Morning Glory Evolvulus hybrid | Evolvulus | Very Good | Boerner Botanical Garden | Midwest | 2012 | 5b | 4 |
| Luscious® Royale Piña Colada Lantana camara | Lantana | Very Good | Boerner Botanical Garden | Midwest | 2012 | 5b | 4 |
