Arboretum

PINUS FLEXILIS – PINE, LIMBER

Limber Pine is native to dry woods in the western US. The plant is distinguished by the flexible branches which can be bent back on themselves without breaking. This makes them able to withstand snow and ice loads well. Needles are in groups of five. They grow best in full sun or partial shade on …
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PICEA ORIENTALIS – SPRUCE, ORIENTAL

Oriental Spruce was chosen as a 1992 Gold Medal Plant by the Pennsylvania Horticultural Society for being a plant of exceptional merit, but underused in landscaping. Oriental Spruce should be grown in full sun or partial shade on well-drained soil, and will tolerate infertile, and rocky soils. Dry, windy, winter weather can brown the foliage. …
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QUERCUS IMBRICARIA – OAK, SHINGLE

Shingle Oak is found in its native habitat along streams and in valleys where moisture is readily available. Like many other trees native to these type of sites, this one tolerates wet soil once it is well established. Newly planted trees inundated with water before they are established can die. The tree usually grows with …
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POPULUS ALBA – POPLAR, WHITE

White Poplar has been planted for its rapid growth and large size. Trees quickly reach 60 feet tall eventually growing to 75 feet. They adapt to many soil conditions provided they are placed in a full sun position in the landscape. Alkaline soil and salt air tolerance makes it a popular choice along the coast. …
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FAGUS SYLVATICA ‘LACINIATA’ – BEECH, EUROPEAN ‘LACINIATA’

The tree grows slowly, is hard to transplant and prefers a sunny location and a moist, light soil. Though not a street tree, the tree makes one of the finest specimens of all those available in North America for large scale landscapes. European Beech is somewhat tolerant of heat and dry soil, but it is …
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CORNUS KOUSA – DOGWOOD, KOUSA

Growth is best on moist, loamy, well-drained soil with mulch or leaf litter accumulated over the roots. Kousa Dogwood is not particularly drought- or heat-tolerant, requiring irrigation during drought periods in summer. Sensitive to reflected heat so it is poorly adapted to downtown landscapes. It is best in some shade in the southern part of …
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PYRUS CALLERYANA – PEAR, CALLERY

Callery Pear trees are shallow-rooted and will tolerate most soil types including alkaline and clay, are pollution-resistant, and tolerate drought and wet soil well. It is a very adaptable tree. It has a fruit set which could create a nuisance for some. Pruning the trees early in their life to space lateral branches along a …
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ULMUS GLABRA – ELM, WYCH

Grows fast but not usually recommended for landscape planting. Small twigs regularly break from the tree and litter the ground below the canopy. Elms are among those susceptible to summer branch drop according to surveys in California. Summer branch drop is a phenomena resulting in failure and breakage of large diameter, live branches typically on …
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MAGNOLIA X SOULANGIANA – MAGNOLIA, SAUCER

Saucer Magnolia grows best in a sunny location in rich, moist but porous soil. It will tolerate poor drainage for only a short period of time. Growth will be thin and leggy in a shaded spot but acceptable in part shade. Saucer Magnolia dislikes dry or alkaline soil but will otherwise grow very well in …
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PRUNUS SUBHIRTELLA ‘PENDULA’ – CHERRY/PLUM, SPP. ‘PENDULA’

Higan cherry has a fairly rapid growth rate and prefers an open, sunny location sheltered from wind. The tree grows in any garden soil and transplants easily when young. Provide plenty of open soil space for growing this tree. Trees can develop poorly in restricted soil areas. The pink flowers appear in the spring before …
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