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.
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 × burkwoodii [Burkwood Viburnum] Trouble-free plant tolerant of soils and pollution (except sulfur). Also, does not tolerate more severe drought. Very fragrant when in bloom, although to a lesser degree than Viburnum carlesii (Koreanspice Viburnum). Bacterial spot and powdery mildew susceptibility (but not always a problem). Sulfur containing pesticides burn or defoliate leaves. Too thin to be a solid screen.
Shrub Viburnum × burkwoodii 'Chenaultii' [Chenault Burkwood Viburnum] 'Chenaultii' has a finer-textured, more delicate appearance than the species type due to its smaller leaves and thinner branches. Trouble-free plant tolerant of soils and pollution (except sulfur). Also, does not tolerate more severe drought. Very fragrant when in bloom, although to a lesser degree than Viburnum carlesii (Koreanspice Viburnum). Bacterial spot and powdery mildew susceptibility (but not always a problem). Sulfur containing pesticides burn or defoliate leaves. Too thin to be a solid screen.
Shrub Viburnum × carlcephalum [Carlcephalum Viburnum] This viburnum is an open, rounded shrub known for its snowball-like clusters of fragrant, white flowers in May.
Shrub Viburnum × carlcephalum 'Cayuga' [Cayuga Viburnum] Cayuga Viburnum is a backcross between V. x carlcephualum and V. carlesii, known for its fragrant flowers and upright to slightly spreading habit. Pink buds open to clusters of white fragrant flowers in May. Leaves change from a dark green to a vibrant orange-red in the fall. Bacterial leaf spot can be a problem in some settings. Prune immediately after flowering for best flower show the next year.
Shrub Viburnum carlesii [Koreanspice Viburnum] Very fragrant when in bloom. Bacterial leaf spot can be a problem in some settings. Prune immediately after flowering for best flower show the next year.
Shrub Viburnum carlesii 'Compactum' [Compact Koreanspice Viburnum] 'Compactum' is a drawf cultivar, maxing the height around 3-4 feet in height. Flowers are similar in size to straight species. Very fragrant when in bloom. Bacterial leaf spot can be a problem in some settings. Prune immediately after flowering for best flower show the next year.
Shrub Viburnum dentatum 'Synnesvedt' [sold as Chicago Lustre®] [Chicago Lustre Arrowwood Viburnum] 'Synnesvedt', often sold under the name Chicago Lustre, is known for attractive, clean, lustrous foliage and abundant blue-black fruits. Flowers malodorous to some. Attractive to birds. Name derived from Native American use of strong sucker shoots for arrow shafts. The most durable of viburnums. Serves as a nice neutral background shrub.