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(A) Shrubs planted for screening purposes should be given a proper culture and sufficient room in which to grow. Many of the guidelines for tree planting listed in § 152.513 also apply to shrubs.
(B) Because specific requirements vary considerably between shrub types, this subchapter does not attempt to generalize the needs of all shrubs.
(C) For detailed planting information on individual species, refer to § 152.515.
(Ord. passed 12-20-2001)
(2) The lists are not comprehensive and are intended to suggest the types of flora which would be appropriate for screening and shading purposes.
(B) Plants were selected for inclusion on these lists according to four principal criteria:
(1) General suitability for the climate and soil conditions of this area;
(2) Ease of maintenance;
(3) Tolerance of town conditions; and
(4) Available plants from area nurseries.
(C) (1) When selecting new plantings for a particular site, a developer should first consider the types of plants which are thriving on or near that site.
(2) If an introduced species has proven highly effective for screening or shading in this area, it too may be a proper selection.
(D) If a developer chooses to include trees and shrubs that are not on this list he, she, or they should obtain advance approval of the same from the Land Use Administrator.
(E) Table of trees for screening and shading:
Small Trees for Partial Screening | Large Trees for Evergreen Screening | Large Trees for Shading |
Small Trees for Partial Screening | Large Trees for Evergreen Screening | Large Trees for Shading |
American Hornbeam American Holly Callery Pear Carolina Cherry-Laurel Crape Myrtle Eastern Redbud Flowering Dogwood Golden Rain Tree Mountain Silverbell River Birch Russian Olive Sourwood Washington Hawthorn | Carolina Hemlock Deodar Cedar Southern Magnolia | Eastern Red Oak Gingko Honeylocust Laurel Oak Littleleaf Linden London Plane-Tree Norway Maple Red Maple Scarlet Oak Sweet Guam Sycamore Willow Oak |
(F) Table of shrubs for screening:
Small Shrubs for Evergreen Screening | Large Shrubs for Evergreen Screening | Assorted Shrubs for Broken Screens |
Azaleas and Rhododendrons Convexa Japanese Holly Dwarf Horned Holly Glossy Abelia India Hawthorn Japanese Yew Littlehead Japanese Holly Warty Barberry Wintergreen Barberry | Burford Holly Fortune Tea Olive Hedge Bamboo Japanese Privet Laurel or Sweet Bay Lauretinus Viburnum Red Photinia Thorny Elaengus Yaupon Holly | Border Forsythia Doublefile Viburnum Drooping Leucothoe Fringetree Japanese Barberry Judd Viburnum Northern Bayberry Pfitzer Juniper Star Magnolia Vernal Witch Hazel Winter Honeysuckle |
(Ord. passed 12-20-2001)
The following trees are recommended for use in all types of screens, and even though these trees are smaller than the trees listed in lists §§ 152.517 and 152.518, each of these trees will reach a height of at least 20 feet. The following selections are also recommended as shade trees and may be credited for meeting the 20% shading requirement for paved parking lots.
(A) River Birch (Betula nigra). Height: 20 to 40 feet; Spread: eight to 16 feet. The River Birch is a native tree which usually grows along stream banks. In landscape design, it is adaptable to either high or low locations, but still requires a lot of moisture. This tree has an interesting papery bark and a graceful branching habit. It has no special pest or maintenance problems.
(B) American Hornbeam (Carpinus carolina). Height: 20 to 30 feet; Spread: 15 to 20 feet. This native tree has a natural yet refined appearance. It is slow growing, but at maturity it serves as an excellent shade tree. Its fluted muscular trunk is an interesting feature. In the wild, the American Hornbeam is common in moist rich soil, yet, when used in landscape design, it is soil tolerant and does not require an unusual amount of water. It has no pests and no special maintenance problems.
(Ord. passed 12-20-2001)
The following trees are ideal for screening large scale areas such as shopping centers and industrial sites. They are also effective in combination with other smaller screening plants. Both are moderate to fast growers. They are not considered to be shade trees.
(A) Deodar Cedar (Cedrus Deodara). Height: 40 to 150 feet; Spread: 30 feet or more. The Deodar Cedar is a useful and attractive evergreen. It should be allowed plenty of room in order to assume its beautiful natural form. Its pendulous branches should be allowed to touch the ground. It prefers relatively dry soils, grows rapidly, and is easy to maintain. “True Cedars” such as the Deodar are not native to North America, but they have become quite popular in the south as a landscape tree.
(B) Southern Magnolia (Magnolia grandiflora). Height: 40 to 60 feet; Spread: 25 feet or more. Magnolias are striking trees which serve well as screens when their branches are allowed to grow to the ground. Generally this tree does well in town conditions, but it should be planted in quite rich acidic soils and it requires a lot of moisture. Furthermore, magnolias require ample space for growth. If planted in full sunlight, they will grow rapidly. Because it drops large waxy leaves, seed pods, and flowers, the magnolia may present a litter problem.
(Ord. passed 12-20-2001)
The following trees may be used for screening, but they are recommended especially for shading streets and parking lots. Unless otherwise noted, they will grow rapidly. Each species will attain a mature spread of at least 30 feet.
(A) Red maple (Acer rubrum). Height: 40 to 50 feet; Spread: 25 feet or more. This tree is an example of a maple which is not recommended where there will be high concentrations of air pollution. However, with its excellent shading characteristics and beautiful colors, it should not be ignored. This tree grows rapidly, but, unlike the Norway Maple, it does not become brittle with age. The Red Maple is a native tree which is usually found in moist, even swampy areas, but it adapts well to a variety of situations. Although subject to maple insects and diseases, it is usually a long-lived tree.
(B) Honeylocust (Gleditisia triacanthos). Height: 50 to 75 feet; Spread: 25 feet or more. Its open, spreading form and feathery leaves may give the Honeylocust a frail appearance, but it is in fact a quite sturdy tree, notable for its resistance to storm damage. It is a native tree which is drought resistant and adaptable to town conditions. Grass and shrubs thrive beneath a Honeylocust because it casts light shade. This tree is especially useful for its ability to be transplanted at a relatively advanced age. Accordingly, it may be used for immediate effect in a landscape design. The Honeylocust has its pests and diseases, but it is fairly hardy. Thornless and fruitless varieties such as “Moraine” are recommended.
(Ord. passed 12-20-2001)
The following shrubs are recommended for informal (unclipped) hedges or screens. Each species grows to a height of less than six feet; therefore, these shrubs are appropriate for semi-opaque screens.
(A) Glossy Abelia (Abelia grandiflora). Height: four to six feet; Spread: three to five feet. Abelia is quite common in local nurseries and tends to be less expensive than other shrubs on this list. It bears pale pink flowers throughout summer. Although it has proven quite popular for informal hedges, it has several drawbacks. Abelia should be pruned and thinned to maintain its best form. It may drop its leaves due to low temperatures, lack of pruning, or starvation.
(B) Warty Barberry (berberis verruculosa). Height: three to four feet; Spread: three to four feet. Barberrys as a group have proven to be excellent hedge plants. With their dense, spiny limbs, they are effective barriers in public places. The Warty Barberry is a shrub with a neat, compact habit. It is soil tolerant and has not special maintenance requirements. It grows slowly, but it will reach a height of three to four feet within five years.
(Ord. passed 12-20-2001)
The following shrubs are recommended for high hedges or screens. Each species grows to a height of more than six feet; therefore, these shrubs are appropriate for opaque screens.
(A) Hedge Bamboo (Bambusa multiplex). Height: ten to 12 feet; Spread: four to six feet. Hedge Bamboo grows rapidly yet is more easily confined to a limited area than most types of bamboo. It is adaptable to a variety of situations, but requires plenty of water. For best effect as a screen, Hedge Bamboo should be stagger planted.
(B) Thorny Elaengus (Elaengus pungens). Height: eight to 10 feet; Spread: six to ten feet. This shrub tolerates many adverse conditions. It will grow rapidly in relatively infertile, dry soils. Its dense thorny branches form an excellent natural hedge. It is one of the most common evergreen shrubs in the south.
(Ord. passed 12-20-2001)
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