The previous issue of the Horticulture and Home Pest News contained a list of perennials that perform well in partial to heavy shade. A number of trees and shrubs can also be successfully grown in partial shade.
Trees and Shrubs Adapted to Partial Shade
|Common Name||Scientific Name||Height||Comments|
|Five-Leaf Aralia||Acanthopanax sieboldianus||3-6 feet||Has prickly stems, makes good barrier plant.|
|Serviceberry||Amelanchier spp.||10-25 feet White flowers in spring, good fall color.|
|Mentor Barberry||Berberis x mentorensis||3-6 feet||Thorny stems, excellent hedge plant. Hardiness zone 5.|
|American Hornbeam||Carpinus caroliniana||20-25 feet||Large, multi-stemmed shrub or small tree.|
|Eastern Redbud||Cercis canadensis||20-25 feet||Small tree that produces flowers in spring. Hardiness zone 5.|
|Pagoda Dogwood||Cornus alternifolia||15-25 feet||Small, native tree with branching habit. Yellow-white flowers.|
|Gray Dogwood||Cornus racemosa||8-10 feet||Suckering shrub.|
|Common Witchhazel||Hamamelis virginiana||12-15 feet||Small, yellow flowers and foliage in fall.|
|Smooth Hydrangea||Hydrangea arborescens||3-5 feet Large flower clusters in summer.|
|Japanese Kerria||Kerria japonica||3-6 feet||Upright arching shrub, yellow June. Hardiness zone 5.|
|Russian Cypress||Microbiota decussata||12 inches||Low, spreading evergreen. Foliage resembles arborvitae.|
|Ironwood||Ostrya virginiana||25-40 feet||Small, slow-growing tree. Can be difficult to establish.|
|Rhododendron||Rhododendron spp.||Variable||Good choices for Iowa include 'PMJ','Aglo,' and 'Olga Mezitt.'|
|Black Jetbead||Rhodotypos scandens||4-6 feet||Not showy, but a tough, durable shrub. Hardiness zone 5.|
|Alpine Currant||Ribes alpinum||3-6 feet||Good hedge plant, tolerates pruning well.|
|Snowberry||Symphoricarpos spp.||3-6 feet||Plants produce white, pink, or purple fruit.|
|Canadian Hemlock||Tsuga canadensis||40-50 feet||Attractive, graceful tree. Prefers moist, well-drained soils. Dislikes hot, dry sites.|
|Yew||Taxus spp.||Variable||Most shade tolerant evergreen. Adapts well to pruning.|
|Arrowwood Viburnum||Viburnum dentatum||6-8 feet||Hardy, adaptable shrub. Produces white flowers in spring and blue fruit in fall.|
|Blackhaw Viburnum||Viburnum prunifolium||12-15 feet||Large, multi-stemmed shrub or small, rounded tree.|
Unless noted, all of the above trees and shrubs are hardythroughout Iowa.
This article originally appeared in the June 24, 1994 issue, p. 100.
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