Arboretum

AILANTHUS ALTISSIMA – TREE OF HEAVEN

Tree of Heaven performs best in full sun on well-drained, moist soil but this is a tree that will survive almost anywhere, under any urban or suburban conditions. It commonly appears in cracks of pavement or in the cracks in walls or other tough locations. It survives where no other trees will grow such a …
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CRATAEGUS SPP. – HAWTHORN, SPP.

Plants retain lower branches and get quite wide at the bottom. Allow plenty of space for them to develop, or remove them as the tree grows to display the somewhat showy trunk. This plant is considered mostly allergy free and causes little or no allergy problems in most people. Hawthorns are considered to be somewhat …
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MACLURA POMIFERA – OSAGE-ORANGE

Osage-Orange should be grown in full sun on well-drained soil. This tough plant can withstand almost anything once established – heat, cold, wind, drought, poor soil, ice storms, vandalism – but appreciates regular watering when young until it is established. It is nearly bullet proof. This is a thornless male cultivar that shows some promise …
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JUNIPERUS SPP.– JUNIPER, SPP.

Easily grown in average, medium, well-drained soils in full sun. Wide range of soil tolerance including poor soils. Compressa’ is a dwarf, upright, narrow, cone-shaped form of common juniper. It is a very slow growing evergreen shrub (1-2” per year) which typically reaches only 2-3’ tall after 10 years. Owl-shaped dark blue-green foliage. Male and …
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LARIX LARICINA – LARCH, AMERICAN

Grows in wet areas in the woods. Locate the tree where it will receive plenty of soil moisture. Great for a wet or regularly moist location in the landscape. Tree dislikes hot weather and hard, dry clay soil. Grows poorly in alkaline soils. Spring transplanting best Balled-and-burlapped and bare root trees recover best when transplanted …
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GINKGO BILOBA – GINKGO

Geological evidence suggests that the gingko has been growing on earth for the past 150 million years. Despite its antiquity, it is wonderfully suited for city conditions. A Ginkgo tree often grows slowly for several years after transplanting from a field nursery, but then it will eventually grow at a moderate rate, especially if it …
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SYRINGA RETICULATE – LILAC, JAPANESE TREE

Japanese Tree Lilac is tolerant of urban conditions, growing in poor, clay or alkaline soil. It tolerates high soil salt concentrations originating from de-icing salt applications better than many other plants. The gorgeous flowers are most showy and prolific when the tree is located in full sun with good drainage. Plants in partial shade can …
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FRAXINUS EXCELSIOR – ASH, EUROPEAN

Common Ash should be grown in full sun or partial shade and prefers moist, rich soil, and grows well on calcareous soil. Grows best on deep soils with adequate moisture, although drought tolerance is moderate. It tolerates poorly-drained, low-quality soil. Its use should be limited, because of its susceptibility to borers which often infest the …
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SCIADOPITYS VERTICILLATA – PINE, JAPANESE UMBRELLA

The Japanese Umbrella pine was chosen as a 1991 Gold Medal Plant by the Pennsylvania Horticultural Society for being a plant of exceptional merit, but underused in landscaping. Some shade in mid-day produces the best plants in the southern part of its range. The orange, peeling bark on older plants is quite attractive but is …
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