Get notified when we have news, courses, or events of interest to you. In addition to the foliage properties of the plant, the flowers and fruit have ornamental value. Hardiness zone--3. There are no flowers or fruit of ornamental value. The hardiness zones within Pennsylvania are shown on the accompanying zone map. The flowers and fruit on this plant are very similar to that on Oregon hollygrape except that the flower cluster is larger on this plant. This will be followed by flowers on both evergreen and deciduous plants. Heading out to a farm to pick out a Christmas tree is a long-treasured tradition that not everyone can enjoy this year. Part to full shade. 'Plumosa' is an older cultivar that is wide, dense, and compact, with a purple tint in winter. These trees are slow-growing and long-lived. Hardiness zone--5. Most narrowleaf evergreens have foliage that is quite long and needle-like or even scale-like on the stem. Perhaps one of the most challenging features of creating a native landscape is incorporating evergreens. As the older foliage dies, it tends to remain on the plant for several seasons, which results in a brown inner portion that can be unsightly. Red Pine: Leaves: Evergreen needles in clusters of two, slender, 4”-6” long, dark green, borne in dense tufts at the ends of branchlets; snap easily when bent double. Needles are ½ to 1 inch long, produced individually along the stem. It should also be mulched to protect its shallow root system from extreme winds and cold. Individual needles along the stem are ½ to ¾ inch long, stiff, and blunt. Choose from several cultivars: 'Fastigiata' is a very narrow and upright variety; 'Glauca' is similar to the species but with a deep blue-green color; and 'Glauca Pendula' is a weeping form with deep blue foliage. Native Plants for Delaware Landscapes. The plants also prefer full sunlight. It does not need pruning to retain its shape and will grow in limestone soils. It will also tolerate limestone or slightly acid soils better than most pines. Its natural growth habit is dense, compact, and round, with a maximum height of 8 to 10 feet and a spread of 6 to 8 feet. It grows very slowly and can function well in an oriental setting or collection of dwarf plants. As the tree matures, it tends to become more open and graceful in appearance. Two older cultivars are 'Nova Zembla' with red flowers and 'Roseum Elegans' with lavender-pink flowers. Hardiness zone--5 (wind protection is needed). They have the same properties and limitations as the species, except for size and texture. This plant will grow under a variety of conditions but prefers a moist, well-drained, slightly acidic soil for best results. The specific foliage characteristics of this juniper would be the same as described for the Chinese juniper. In addition, the seeds of most broadleaf evergreens are produced in an ovary, which ripens to form a specifically shaped and often colorful fruit. The narrow leaves on the tree are leathery, about ⅛ inch in diameter, and up to 4 inches long. There are two needles per cluster, and each needle is 2 to 3 inches long. During the summer months the foliage is deep blue-green or steel-blue and in the winter it turns purple on most cultivars. Organic matter also helps promote good drainage in the soil, which is essential for the optimum development of most evergreens. Choose a couple of your favorite evergreen varieties. Add year-round color, texture and structure with evergreen trees. However, if you are willing to monitor your trees and protect them if needed in order to save this tree in Pennsylvania make sure you give it the cultural conditions it needs. Younger plants have a definite pyramidal form, with horizontal branches that give a stiff appearance to the tree. Individual leaves are oblong and blunt at each end, up to 6 inches long, and about 2 inches wide at the middle. The broadleaf foliage is elliptic and elongated, 2 to 4 inches long, and about 1 inch wide. Holly will tolerate partial shade or full sun if not exposed to strong winds. This broadleaf evergreen is often used as a tall hedge or border planting with other less-structured plants in front of it. These are about ¼ inch long and are found in 2- to 3-inch-long clusters along the stem. Hardiness zone--6. They do not do well in shade but will tolerate wind if it is not too severe. In addition to the foliage, attractive flowers cover the plant in June. The pines with two or three needles in a cluster also retain their foliage for several years. The single needles grow mostly along the upper side of the stem. You are welcome to visit our native plant nursery located at 678 S Chiques Rd, Manheim, PA. Most evergreen shrubs will withstand some degree of shade. Dwarf types can be used in oriental and rock gardens. The upper surface of the leaf is a deep green and the lower surface a lighter green. Although this evergreen does not produce attractive flowers or fruit, its glossy green leaves last all year. The fruit is about ¼ inch in diameter and blue-green before it ripens; it is quite aromatic when crushed. Cultivars include 'Conica', a dwarf conical form, and 'Densata,' a slow-growing conical form. 'Blue Rug' is a dense, slow-growing prostrate plant with blue-green foliage. Oriental spruce will tolerate poor soil but will respond to good growing conditions. 'Wiltoni' is a very flat form with trailing branches. Under cultivated conditions it can often reach a height of 50 to 60 feet with a spread of 20 to 35 feet. Entering your postal code will help us provide news or event updates for your area. The foliage color is a shiny green on the upper surface with conspicuous white lines below. The flowers are hard to see and the cones are small, about 1 inch long. Rarely planted now because of the Hemlock Wooly Adelgid, this native evergreen and State Tree of Pennsylvania is losing popularity as a landscape plant. Hardiness zone--4. They do best in full sunlight but tolerate some light shade. The various aesthetic and physical properties of any given plant will govern how it will best fit into a particular landscape design. Heavy, wet soils will cause the plant to decline and eventually die. The leaves are straight, ¼ to ½ inch long, and extend from the sides of the stems. This plant is also valued as a flowering and fruiting shrub. Cultural requirements are the same as those for the Japanese pieris. The foliage on most of the plants is about 1/2 inch wide and up to 1 inch long, blunt, and arranged around the stem to give a rather dense cover of foliage. It does quite well in half shade and may die in the winter if located in direct sun. Robust fronds of Christmas Fern stand up to snow. An evergreen holly that may not look much like a holly. Pennsylvania's location spanning 40 degrees - 42 degrees north latitude and its varied terrain support 108 species of native trees and many other introduced from Europe and Asia. Female plants develop bright red, fleshy fruit about 1/4 inch in diameter. In addition, excessive, as well as insufficient, amounts of water in the soil, shade, or exposure to wind influence hardiness. Individual flowers range from 2 to 2½ inches across and are produced in clusters up to 6 inches in diameter by late May. It is a slow-growing, weeping hemlock. Photo: Kathy Salisbury. It has very small leaves (less than ½ inch long) and is good for low hedges. The plant is dense and pyramidal with somewhat horizontal branches coming from the main trunk. The wrong plant in the wrong place creates stressed plants that are more susceptible to disease and insect infestation and that is certainly something this plant doesn't need. White, urn-shaped flowers are produced in the spring. Also has images of the trees for identification and links for further tree species education. Hardiness zone--6 (possible zone 5 with winter wind and sun protection). They are very stiff, pointed, and dark green all year. Hardiness zone--7 (with winter wind protection). The list of cultivars is not complete; only an indication of the possible variations that can be used in the landscape. Width: 1-2'. They supply color to the landscape when other trees and shrubs are bare in the winter months. Under most conditions Scotch pine will reach a height of 30 to 50 feet and have a spread of 30 to 35 feet. The foliage on all cultivars is broadleaf, elliptic or oblong in shape, and range in size from ½ to over 1 inch in length. The specific growth habit will depend on the cultivar being used; the true species is generally not available as a landscape plant. A dense, multistemed shrub, this boxwood should be kept trimmed at 4 to 6 feet. As it matures, the crown tends to become more open. Aesthetic properties come from their green color, foliage texture, form, and density as well as flowering characteristics. A white spruce is a dense pyramidal form with compact ascending branches. In windy locations, there may be some damage to the foliage during the winter. More non-native plants are introduced every year. A concolor fir can reach a height of 40 to 50 feet with a spread of 15 to 25 feet. Individual leaves, produced along each side of the stem, are ¾ to 1½ inches long and slightly curved. During periods of adverse weather or poor growing conditions it is not uncommon for a plant to drop more than one season's growth. This pine also can be planted in heavy clay soils and full sun. Depending on the cultivar, leaf color will range from gray-green to blue-green. The smaller side branches give it a plume-like appearance. This cone opens to about 2 inches in diameter when ripe. Its form is pyramidal at all ages. It is this moisture loss that causes problems. If left unpruned it will develop into an open pyramidal tree with slightly pendulous branches. Full-Part Sun; Full-Part Shade; Shrubs & Trees; Shrubs & Trees. Provide some mulch to keep the roots cool. Scotch pine will grow under a wide range of soil conditions and will tolerate dry soils. It should not be planted near a house; this tree can grow 40 to 60 feet high and spread 25 to 30 feet. Adequate soil moisture and a well-drained planting site will help maintain growth. There are a number of cultivars on the market. The plant will tolerate a wide range of soils but requires a well-drained site. Usually, this annual drop of foliage goes unnoticed because new leaves and needles conceal the inside foliage that has turned yellow or brown. Go Native Tree Farm is pleased to offer a superior selection of container-grown US eastern native plants for the wholesale and retail customer. Entering your postal code will help us provide news or event updates for your area. It has green foliage and can grow 15 feet high with a spread of 20 feet. 'Alba' has pure white flowers, and 'Rubra' has deep pink flowers. Height: 8-16". If grown in a nursery field, it does not dig well and extensive root damage can occur. The actual amount of pruning needed will depend on how you use them in the design. It can grow rather tall, reaching heights of 35 to 40 feet, and has a spread of 8 to 20 feet. It is a more open and spreading evergreen that will reach a height of 3 to 4 feet. This shade loving groundcover prefers average soil. In addition to the variation in leaf shape, the narrowleaf plants generally do not develop flowers--at least not like an ordinary garden flower. 'Hetzii' is similar to 'Convexa' except that the foliage is about twice as large and the plant tends to be more open. It tends to be round and open, with upright spreading branches. At maturity the plant may reach 40 to 50 feet high and have a spread of 10 to 15 feet. The one you might select will depend on requirements of your landscape setting. Direct sunlight is not available to plants. The foliage is not too dense, 2 to 3 inches long, and about 1 inch wide. They are produced in clusters up to 3 inches across starting in mid-May. 'Rotundifolia' develops glossy, deep green leaves about 1 inch long. This low-growing narrowleaf shrub can be used in a variety of landscape settings. The type of soil does not have much effect on the plant as long as the soil does not become dry in the summer. There is no special treatment or fertilizer that can modify or change its color from green to that of the special forms. A grass substitute for dry, shady areas under trees. The fruit and flowers, as well as the cultural requirements, are the same as for the English yew. Remove the flower clusters as soon as they fade. This narrowleaf tree may be useful in some garden settings for vertical accent or as a tall screen. As soon as the flowers begin to fade, remove the seed heads to improve flower development for the following season. In this publication the following codes are used to indicate evergreen plant type: Hardiness refers to a plant's ability to withstand winter cold. Trees of Pennsylvania All 40; Taxonomy; 30 Flowering Plants Subphylum Angiospermae; 10 Conifers Class Pinopsida; Search. Flowers on these plants are usually quite inconspicuous. It is an upright, freely branching shrub with a rounded, open form that does not get as full and dense as some Japanese hollies. In general, most evergreens will require either an acidic soil (pH 5.0-5.5) or slightly acidic (pH 6.0-6.5) for optimum growth and development. Hardiness zone--5. This very attractive spring-flowering shrub is frequently used as a specimen or border plant along with other evergreens. This type of small cypress tree is native to Japan and it has a number of beautiful dwarf cultivars. Preferring partial shade Mountain Laurel is the state shrub of Pennsylvania. The smooth gray bark of this native evergreen tree could be confused with American Beech if it weren't for the spiny shiny green leaves and red berries persisting into the winter. You can submit trees for consideration for champion status to this website. As a specimen plant it is good for vertical accents, hedges, or screens. Like many evergreens, this plant will grow well in a deep, rich, well-drained soil that is slightly acidic and supplied with moisture all year. The spreading forms can be used as border, screening, or hedge plants, while the smaller, low-growing forms can be used as groundcovers. This plant and all of its cultivars are the result of a cross between Taxus cuspidata (Japanese yew) and Taxus baccata (English yew). For such a large tree, the fruit tends to be rather small. Cones hang below the branches and can be viewed during the winter. It can reach heights of 10 to 12 feet, however, and spread 6 to 8 feet. The flowers are inconspicuous and the fruit is a cylindrical cone 3 to 6 inches long and about 1 inch in diameter. Pennsylvania Native Trees Sun Requirements. 'Hatfieldii' is an older cultivar with a dense, broad pyramidal shape up to 12 feet high. The narrow grass-like silvery blue foliage of this evergreen sedge adds additional foliage color and texture to the landscape. The small twigs are covered with narrow leaves that are scale-like, blunt, and less than 1/16 inch long. This narrowleaf shrub can be adapted to a variety of landscape settings. Other weather conditions also influence the hardiness of evergreens. The flowers, which appear in June, are white, and about ¼ inch in diameter in a cluster of about 3 inches. In winter the color changes to a bronze. They are elongated, up to 3 inches in length, and about 1½ inches in diameter. For best results, yews should be planted into a moist, well-drained, slightly acid soil. 'Minima' is a dense, low -spreading plant that is wider than high. The thinner stems move easily in a gentle breeze, producing an airy appearance. Leaves are medium green on top and a lighter green underneath; in winter, the foliage turns yellow or brown. Hardiness zone--7 (may be injured during cold weather). It generally reaches a height of 40 to 50 feet with a spread of up to 20 feet. Leaf color is a dark green all year. Some cone-bearing evergreens include pine, fir, spruce, juniper, hemlock, and cypress. One reason for the popularity of this tree is the color of the foliage, which can range from a light bluish green to a deep silvery blue. These plants may suffer from constant competition with other tree roots for available soil moisture. 'Helleri' has small, flat leaves about ½ inch long. It also makes a nice background planting for smaller shrubs. It is slighly smaller in height and spread--40 to 50 feet high and up to 25 feet wide. Japanese yew and many of its cultivars are widespreading, dense, with upright growing branches. We have an office business address and a nursery / farm location address. Needles retain their deep green color all year. These cultivars differ in form and foliage color, which makes them useful as low hedges, border plantings, or as specimen plants with other informal shapes. Only the female plants set fruit. The cultivar 'Compacta' is a very compact plant with smaller leaves; 'Pink Bud' has pink buds and flowers; and 'Variegata' has leaves with white margins. Leaf color is a dark green above with a lighter green below. This pine also develops into a small umbrella-like plant with very dense branches in the crown. Prepared by J. Robert Nuss, former professor of ornamental horticulture. Young leaves have a reddish cast; in the fall they take on purple tones. Best growth and development can be expected in a deep, moist, and well-drained soil. The cultural needs of rhododendrons are quite specific: moist, well-drained acidic soil; light shade in the winter; protection from drying winds all year; periodic applications of soluble iron fertilizer; and plenty of water in the fall before the soil freezes. Under most conditions it will reach a height of 30 to 40 feet and have a spread of 20 to 25 feet, which means that it is not well suited to small properties. This narrowleaf, shrub-like tree can be used in different landscape settings. Hardiness zone--5. Many of the improved cultivars, however, are better suited to today's home landscapes. Young plants are broad, compact, and pyramidal. If they are part of a shrub border with other plants, light shaping will be adequate to keep them in bounds. If you want a colorful display of fruit, use one male plant for every three to four female plants to ensure adequate pollination. The cone is tapered at both ends and is 2 to 4 inches long and 1 inch in diameter. Hardiness zone--3. The broadleaf evergreens that develop conspicuous flowers (pieris, mountain laurel, drooping leucothoe, mahonia, and rhododendron) can be very useful as border and accent plants. Strappy blue-green leaves of creeping sedge add color to the landscape. If possible, select a cultivar that is known to be dwarf or compact since it will retain this size longer. 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