Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Superbells® Yellow Chiffon™ Calibrachoa hybrid | Calibrachoa | Top Performer | Massachusetts Horticultural Society at Elm Bank | Northeast | 2012 | 6a | 4 |
| Señorita Rosalita® Spider Flower Cleome hybrid | Cleome | Top Performer | Massachusetts Horticultural Society at Elm Bank | Northeast | 2012 | 6a | 4 |
| Graceful Grasses® King Tut® Egyptian Papyrus Cyperus papyrus | Cyperus | Top Performer | Massachusetts Horticultural Society at Elm Bank | Northeast | 2012 | 6a | 4 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Massachusetts Horticultural Society at Elm Bank | Northeast | 2012 | 6a | 4 |
| Snow Princess® Sweet Alyssum Lobularia hybrid | Lobularia | Top Performer | Massachusetts Horticultural Society at Elm Bank | Northeast | 2012 | 6a | 4 |
| GoldDust® Mecardonia hybrid | Mecardonia | Top Performer | Massachusetts Horticultural Society at Elm Bank | Northeast | 2012 | 6a | 4 |
| Supertunia Vista® Silverberry Petunia hybrid | Petunia | Top Performer | Massachusetts Horticultural Society at Elm Bank | Northeast | 2012 | 6a | 4 |
| Superbena Royale® Iced Cherry Verbena hybrid | Verbena | Top Performer | Massachusetts Horticultural Society at Elm Bank | Northeast | 2012 | 6a | 4 |
| Shadowland® 'Autumn Frost' Hosta hybrid | Hosta | Top Performer | Massachusetts Horticultural Society at Elm Bank | Northeast | 2018 | 6a | 4 |
| Truffula™ Pink Globe Amaranth Gomphrena pulchella | Gomphrena | Top Ten Annual | Massachusetts Horticultural Society at Elm Bank | Northeast | 2018 | 6a | 4 |
| Angelface® Wedgwood Blue Summer Snapdragon Angelonia hybrid | Angelonia | Top Ten Annual | Massachusetts Horticultural Society at Elm Bank | Northeast | 2018 | 6a | 4 |
| 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 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best New Plant | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best New Plant | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best New Plant | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best New Plant | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Best of Show | Penn State University | Northeast | 2004 | 6a |
5 6 |
