Best Regional Plants
| Plant Name | Genus | Award | Trial |
Region |
Year | Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Surefire® Red Begonia benariensis | Begonia | Top Performer | University of Guelph | Canada | 2022 | ||
| Fine Wine® Weigela florida | Weigela | Visitor Favorites | University of Guelph | Canada | 2009 | ||
| Suncredible® Saturn™ Sunflower Helianthus hybrid | Helianthus | Top Performer | University of Guelph | Canada | 2023 | ||
| Summerific® 'Holy Grail' Rose Mallow Hibiscus hybrid | Hibiscus | Consumer Top 10 - Perennial | University of Guelph | Canada | 2020 | ||
| Superbells® Double Amber Double Calibrachoa Calibrachoa hybrid | Calibrachoa | Top Performer | University of Guelph | Canada | 2021 | ||
| Superbena® Scarlet Star Verbena hybrid | Verbena | Top Performer | University of Guelph | Canada | 2018 | ||
| Safari® Sky South African Phlox Jamesbrittenia hybrid | Jamesbrittenia | Top Performer | University of Guelph | Canada | 2021 | ||
| Señorita Rosalita® Spider Flower Cleome hybrid | Cleome | Top Performer | Sawaya Garden Trial | Canada | |||
| Double Up™ Red Begonia semperflorens | Begonia | Top Performer | University of Guelph | Canada | 2022 | ||
| Snow Princess® Sweet Alyssum Lobularia hybrid | Lobularia | Trial Manager Favorite | University of Guelph | Canada | 2009 | ||
| Stratosphere™ White Butterfly Flower Oenothera lindheimeri | Oenothera | Top 10 | Sawaya Garden Trial | Canada | 2008 | ||
| Laguna® Royale Blue Pearl Lobelia erinus | Lobelia | Top Performer | University of Guelph | Canada | 2022 | ||
| Supertunia Vista® Silverberry Petunia hybrid | Petunia | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2008 | 5b | 5 |
| Flambe® Yellow Strawflower Chrysocephalum apiculatum | Chrysocephalum | Bronze Medal | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2008 | 5b | 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2008 | 5b | 5 |
| Señorita Rosalita® Spider Flower Cleome hybrid | Cleome | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2009 | 5b | 5 |
| Graceful Grasses® Baby Tut® Umbrella Grass Cyperus involucratus | Cyperus | Best Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2009 | 5b | 5 |
| Island Giants™ Heart of the Jungle® elephant's ear Colocasia esculenta | Colocasia | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2009 | 5b | 5 |
| Diamond Frost® Euphorbia hybrid | Euphorbia | Silver Medal | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2008 | 5b | 5 |
| Rockapulco® Purple Double Impatiens Impatiens walleriana | Impatiens | Top Performer | Ohio State University Chadwick Arboretum - Springfield | Midwest | 2008 | 5b | 5 |
