| Table 6. Some trees and shrubs relatively free of serious or common diseases in the landscape. | |
|---|---|
| Common Name (Genus) | Comments |
| Abelia (Abelia) | |
| Amur Cork-tree (Phellodendron) | |
| Bald cypress (Taxodium) | |
| Burning bush (Euonymus alatus) | |
| Chokeberry (Aronia) | Fire blight, leaf spots--not often serious |
| Concolor fir (Abies) | |
| Cotoneaster (some species) | |
| *Chinese elm (Ulmus) | Leaf spots--usually not serious |
| Deutzia (Deutzia) | |
| Forsythia (Forsythia) | |
| Fothergilla (Fothergilla) | |
| Flowering quince (Chaenomeles) | Crown gall, cedar-quince rust--not common |
| Goldenrain tree (Koelreuteria) | Verticillium wilt, infrequent |
| Ginkgo (Ginkgo) | |
| Hophornbeam, American (Ostrya) | |
| Hornbeam, European (Carpinus) | |
| Katsuratree (Cercidophyllum) | |
| Kentucky coffee tree (Gymnocladus) | |
| Kousa dogwood (Cornus) | |
| Magnolia (Magnolia) | Low spring temperature flowers killed |
| Linden (Tilia) | |
| Northern bayberry (Myrica) | Leaf spots, not serious |
| Oregon grape holly (Mahonia) | |
| Pagoda-tree, Japanese (Sophora) | |
| Persian parrotia (Parrotia) | Susceptible to bacterial fire blight |
| Rose-of-sharon (Hibiscus) | |
| Potentilla (Potentilla) | |
| Rubber tree (Eucommia) | |
| Silver bell (Halesia) | |
| Smoke bush (Cotinus) | Verticillium wilt, infrequent |
| Spirea (Spiraea) | Leaf spot, fire blight--not serious |
| Sour gum, tupelo (Nyssa) | Verticillium wilt, not common--leaf spot, not serious |
| Sourwood (Orydendrum) | |
| Sweet pepperbush (Clethra) | |
| Taxus (yew) | |
| Turkish hazel (Corylus) | Leaf spot and powdery mildew--not serious |
| Yellow wood (Cladrastis) | Verticillium wilt, infrequent |
| Weigela (Weigela) | |
| Wisteria (Wisteria) | Crown gall, occasionally |
| Witch hazel (Hamamellis) | Powdery mildew, not serious |
| Japanese zelkova (Zelkova) | |
| * Dutch Elm Disease--Ulmus parvifolia is resistant. The following cultivars have also been reported to be resistant: Across Central Park; American Liberty; Cathedral; Christine Buisman; Delaware II; Dynasty; Frontier; Homestead; King's Choice. | |