Shrub/Tree Thuja occidentalis 'Wintergreen' [Wintergreen Eastern Arborvitae] 'Wintergreen' has a narrow pyramidal habit and maintains excellent color all year round. Slightly faster growing and more shade tolerant than other variants of T. occidentalis. One of the best plants for screening in moist, well-aerated soils. Bagworms can be a problem. Subject to several other insect pests, all of which usually can be controlled with timely spraying. Deer may feed on foliage.
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.
Shrub/Tree Thuja sp. [Arborvitae] The Arborvitae genus, Thuja, is comprised of six species of monoecious, evergreen coniferous trees or shrubs and numerous cultivars. The common name, Arborvitae, means "tree of life" and originated when Native Americans showed early French settlers how to use the foliage to treat scurvy.
Tree Indiana Native Tsuga canadensis [Canadian Hemlock] One of the finest plants for evergreen hedges; even the faster growing forms can be kept to 4-8' tall without difficulty. Dwarf forms are excellent rock garden or border specimens. Foliage browns in dry soil, drying wind, and winter sun in very exposed sites. Does not tolerate long periods of drought. Can be scorched by full sun and temperatures above 95 degrees F. Many minor pest problems, with wooly aldelgids being especially serious in the…
Shrub Tsuga canadensis 'Gentsch White' [White Dwarf Canadian Hemlock] 'Gentsch White' is a dwarf cultivar with white and silver-tipped branches. Foliage browns in dry soil, drying wind, and winter sun in very exposed sites. Does not tolerate long periods of drought. Can be scorched by full sun and temperatures above 95 degrees F. Many minor pest problems, with wooly aldelgids being especially serious in the Northeast US.
Shrub Tsuga canadensis 'Jeddeloh' [Dwarf Canadian Hemlock] The Jeddeloh Canadian Hemlock is an interesting, mounded, dwarf cultivar that forms a cascade of weeping branches. Adaptable plant, tolerant of both shade and alkaline soils. Foliage browns in dry soil, drying wind, and winter sun in very exposed sites. Does not tolerate long periods of drought. Can be scorched by full sun and temperatures above 95 degrees F. Many minor pest problems, with wooly aldelgids being especially serious in the Northeast US.
Shrub Tsuga canadensis 'Jervis' [Dwarf Canadian Hemlock] 'Jervis' is a dense, compact, dwarf cultivar with an irregularly pyramidal form. Foliage browns in dry soil, drying wind, and winter sun in very exposed sites. Does not tolerate long periods of drought. Can be scorched by full sun and temperatures above 95 degrees F. Many minor pest problems, with wooly aldelgids being especially serious in the Northeast US.
Tree Tsuga caroliniana [Carolina Hemlock] Slower growth than Tsuga canadensis and less variable in size and form. Performs better under city conditions than T. canadensis. Still, like T. canadensis, foliage browns in dry soil, drying wind, and winter sun in very exposed sites, and it does not tolerate long periods of drought. Can be scorched by full sun and temperatures above 95 degrees F. Many different kinds of minor pest problems.
Shrub Viburnum × 'Pragense' [Prague Viburnum] More drought tolerant than most Viburnums. Topping may be needed initially to encourage branching. This hybrid arose in Prague, Czechoslovakia in the 1950s.
