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  • … Q. Should I remove snow from my shrubs? A.  It is not necessary to remove light amounts of snow from trees and shrubs. However, heavy snowfalls … lessen the chance of accumulation. All broken branches will need to be removed. If the damage is severe and threatens the overall health of the tree or presents a safety hazard, the broken branches should be removed as soon as possible. If the damage is minimal, the broken branches should be removed at the appropriate time of the year. …
    Type: Plant Info
  • … Q. Should I remove snow from my shrubs? A.  It is not necessary to remove light amounts of snow from trees and shrubs. However, heavy snowfalls … lessen the chance of accumulation. All broken branches will need to be removed. If the damage is severe and threatens the overall health of the tree or presents a safety hazard, the broken branches should be removed as soon as possible. If the damage is minimal, the broken branches should be removed at the appropriate time of the year.  …
    Type: Plant Info
  • … Established roses need approximately 1 inch of water per week during the growing season. This is often provided by spring showers, but if there is not a sufficient amount of rainfall, supplement. Do not water unless the soil is dry; too much water will suffocate the roots. Apply a general-purpose fertilizer, such as …
    Type: Plant Info
  • … noticed that some of my evergreens have become discolored. Should I be concerned? A: It is normal for the foliage of some evergreens, such as arborvitae ( Thuja ) and boxwood ( Buxus ), to change color in cold weather. The different color of the foliage in such species is not indicative of a pathogen or cultural disorder; it is a normal response to winter temperatures. Species that are known to change color in cold …
    Type: Plant Info
  • … Rough-leaved dogwood is a small deciduous tree with shiny green leaves, showy clusters of creamy white flowers that … fruit, and red foliage in the fall. Native to the Midwest, it grows 15 to 20 feet tall and is often found in the wild at the edge of woodlands. Although typically multi-trunked, it can be pruned to a tree form. It is fast growing and suckers profusely, making it an ideal plant for controlling soil erosion …
    Type: Garden Guide Plant
  • … Kousa dogwood ( Cornus kousa ) is a vase-shaped small tree when young, but as it matures, its habit becomes more rounded and … has attractive fall colors, with leaves ranging from purple to red and scarlet. Kousa dogwood is a wonderful small flowering tree, providing four seasons of interest in a garden. It is native to Asia. Members of the genus Cornus , commonly known as dogwoods, are welcome in the …
    Type: Garden Guide Plant
  • … Golden Glory is a multi-stemmed upright form of Cornelian cherry that was introduced by the Synnesvedt Nursery Company of Illinois. A particularly hardy plant, it is more vigorous than the species and thus suitable for the northern Midwest. The plant is a multi-stemmed, low-branching, round to oval, deciduous shrub or small tree that typically …
    Type: Garden Guide Plant
  • … The Peking cotoneaster is a rounded shrub that grows up to 10 feet high and wide. Its foliage is a dull green. In May and June it produces white flowers with a pink tinge that attract … These give way to black fruits in the fall and winter that appeal to birds. Fall foliage is red-orange. This species may be confused with C. lucidus , which has shinier dark green …
    Type: Garden Guide Plant
  • … The spreading cotoneaster is named for its habit. The overall appearance of the plant is rounded with arching branches. Spreading cotoneaster can make a fine-textured formal hedge and … ripen in late summer and persist into late fall. Fall color can be a good red. This species is native to China. Members of the genus Cotoneaster are characterized by a stiff, dense …
    Type: Garden Guide Plant
  • … poor soils and varying moisture, but the flower buds may be tender on older cultivars. Pruning is best done immediately after flowering, giving new growth time to form flower buds. Never shear … into “green meatballs”, as their natural shapes are graceful enough. Girald forsythia is a species from northwestern China. The plants in our collection came from the Morton Arboretum. The species is a shrub that grows to 9-12’ high. The leaves are quite different from the common border …
    Type: Garden Guide Plant