Shrub Taxus cuspidata 'Green Wave' [Green Wave Japanese Yew] 'Green Wave' is a very functional and durable and lower-growing yew with gracefully arching branches. Dioecious. Tolerates shade and heavy pruning. Bark peels on older specimens. All parts of Taxus, except the fleshy, red aril are poisonous. Can be siginificantly damaged by deer.
Tree Thuja plicata 'Elegantissima' [Elegant Giant Arborvitae] One of the best plants for screening when grown in wet, but not saturated soils. An important timber tree in the western US. Subject to several pests (especially bagworms), all of which usually can be controlled with timely spraying.
Tree Thuja plicata 'Green Giant' [Green Giant Arborvitae] Green Giant Arborvitae is one of the best plants for screening when grown in wet, but not in saturated soils. The straight species was an important timber tree in the western US. Subject to several pests (especially bagworms), all of which usually can be controlled with timely spraying.
Tree Ulmus americana 'Jefferson' [Jefferson Elm] 'Jefferson' is a cultivar with ovate-elliptic dark green leaves that are asymetrical at the base and are toothed at its margins.
Tree Ulmus americana 'Valley Forge' [Valley Forge American Elm] This cultivar has the classic vase-like form and ascending branches that the American elm is know for, while also having the best Dutch elm disease resistance of the new "Dutch elm resistant" cultivars. Important to stake when young.
Tree Ulmus × hollandica 'Groeneveld' [Groeneveld Dutch Elm] Dense, regular branching. Resistant to Dutch Elm Disease. Wind tolerant.
Tree Ulmus × hollandica 'Pioneer' [Pioneer Dutch Elm] Resistant to Dutch elm disease and phloem necrosis, but susceptible to the elm leaf beetle.
Tree Ulmus × 'Homestead' [Homestead Elm] Dutch elm and phloem necrosis resistant, but susceptible to the elm leaf beetle. 'Homestead' was formed from a cross between Ulmus minor, U. x hollandica, and U. pumila.
Tree Ulmus minor [Smoothleaf Elm] Moderate resistance to the Dutch elm disease pathogen, Ophiostoma ulmi, which has led to the near extinction of the American Elm (Ulmus americana) in the U.S.