Best Regional Plants
| Plant Name | Genus | Award | Trial | Region |
Year |
Trial Cold Hardiness | Trial Heat Zone |
|---|---|---|---|---|---|---|---|
| Sky Fire Coleus scutellarioides | Coleus | Top Picks | Cincinnati Zoo and Botanical Garden | Midwest | 2004 | 6a | 6 |
| Summer Wave® Trailing Large Blue Wishbone Flower Torenia | Torenia | Gardener Selects | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Artist® Blue Flossflower Ageratum | Ageratum | Flame Proof | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Supertior Rating | Colorado State University | Mountain | 2004 | 5b | 5 |
| Diamond Frost® Euphorbia | Euphorbia | Flame Proof | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Texas Parking Lot Coleus scutellarioides | Coleus | Annuals of Note | Cincinnati Zoo and Botanical Garden | Midwest | 2004 | 6a | 6 |
| Artist® Blue Flossflower Ageratum | Ageratum | Best of the Best | University of Georgia | Southeast | 2004 | 7b | 8 |
| Diamond Frost® Euphorbia | Euphorbia | Arboretum Approved | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Diamond Frost® Euphorbia | Euphorbia | Trial Managers Pick | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Diamond Frost® Euphorbia | Euphorbia | Classic City Award | University of Georgia | Southeast | 2004 | 7b | 8 |
| Artist® Blue Flossflower Ageratum | Ageratum | Annuals of Note | Cincinnati Zoo and Botanical Garden | Midwest | 2004 | 6a | 6 |
| Diamond Frost® Euphorbia | Euphorbia | Best of Show | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Artist® Blue Flossflower Ageratum | Ageratum | Arboretum Approved | Dallas Arboretum | Southwest | 2004 | 8a | 9 |
| Texas Parking Lot Coleus scutellarioides | Coleus | Annuals of Note | Cincinnati Zoo and Botanical Garden | Midwest | 2004 | 6a | 6 |
| Diamond Frost® Euphorbia | Euphorbia | Supertior Rating | Colorado State University | Mountain | 2004 | 5b | 5 |
| Persian Shield Strobilanthes dyerianus | Strobilanthes | Top Picks | Cincinnati Zoo and Botanical Garden | Midwest | 2004 | 6a | 6 |
| Diamond Frost® Euphorbia | Euphorbia | Superior | Penn State University | Northeast | 2004 | 6a |
5 6 |
| Tricolor Sweet Potato Vine Ipomoea batatas | Ipomoea | Top Picks | Cincinnati Zoo and Botanical Garden | Midwest | 2004 | 6a | 6 |
| Texas Parking Lot Coleus scutellarioides | Coleus | Annuals of Note | Cincinnati Zoo and Botanical Garden | Midwest | 2004 | 6a | 6 |
| Margarita Sweet Potato Vine Ipomoea batatas | Ipomoea | Top Picks | Cincinnati Zoo and Botanical Garden | Midwest | 2004 | 6a | 6 |
