2019 Catalog

SHADE & ORNAMENTAL TREES

www.mckaynursery.com

www.mckaynursery.com

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U. x 'Regal' REGAL ELM

HAWTHORN CRATAEGUS

U. americana 'New Harmony' NEW HARMONY AMERICAN ELM

This selection has large, dark-green glossy leaves. Upright, almost columnar when young. It transplants well and will tolerate a wide range of urban conditions. Resistant to Dutch Elm Disease. 50-60'x25-30' Zones 4-7 U. 'Morton Glossy' TRIUMPH ELM Introduced by Morton Arboretum, Triumph is a hybrid of Ulmus wilsoniana, U. japonica, and U. pumila. Triumph has remarkably dark green and glossy foliage

C. crusgalli var. inermis THORNLESS COCKSPUR HAWTHORN

A Dutch Elm Disease resistant American Elm that was testedbytheU.S.NationalArboretum.Averyurbansavvy tree that exhibits the old American Elm form. Upright, vast shaped tree with an arching form. Dark green leaves turn yellow in fall. Our preferred American Elm. 60'x60' Zones 4-7 U. x 'New Horizon' NEW HORIZON ELM

and a sturdy, symmetrical growth habit. Disease tolerant to Dutch Elm disease. 55'x45' Zones 2-5

GINKGO MAIDENHAIR

A small graceful tree with dark green glossy foliage. White flowers appear in clusters late May or early June, followed by plentiful red fruits. Fall color is orange. Grown in single stem and shrub form. 20'x15-18' Zones 4-7 MAY C. viridis 'Winter King' WINTER KING HAWTHORN

G. biloba 'Princeton Sentry' PRINCETON SENTRY GINKGO

NEW! Ginkgo are a wonderful tree for the home landscape as well as city trees and parks reborn. Ginkgo are considered a prehistoric tree. You can even find fossils of Ginkgo leaves! This tree is very urban tolerant and has no insects or disease pests, it has out-evolved them all. Princeton Sentry is an upright, male cultivar so it will not produce the smelly fruit that is possible with a seedling grown Ginkgo. This is considered to be a slow growing shade tree, but it's definitely worth the wait with it's beautiful golden yellow fall color! 60'x25' Zones 4-7

This excellent, vigorous Dutch Elm Disease resistant Elm has foliage which is larger and deeper green than most other elms. It is a good, clean-growing, somewhat upright plant with grayish bark. An excellent shade tree for lawn or terrace, it will tolerate a wide range of conditions. Very fast growing. Our favorite. 50-60'x40-50' Zones 4-7 U. americana 'Princeton' PRINCETON ELM

Outstanding bright orange-red fruits which persist into winter. Beautiful, distinctive, silver-gray bark is smooth when young, but ex-foliates with age. Fewer thorns than other Hawthorns. Fruits profusely at a young age. The ⅜" orange-red fruits are showy by leaf drop and persist into winter. 25' tall by 18-20' spread at maturity. An outstanding plant. Offered in tree form and shrub form. 30'x20' Zones 4-7 MAY

HACKBERRY CELTIS

C. occidentalis COMMON HACKBERRY

This is the classic American Elm reborne. Grows in a vase shaped and arching form reminiscent of elm lined small town streets. American Elm were the most important street tree of the early part of the twentieth century before the introduction of Dutch Elm Disease. That dreaded disease causedmost planting of elm trees to cease until newer and disease resistant elms could be discovered. Princeton Elm was originally selected in 1922 and has proven to be one of the most resistant American Elm to Dutch Elm Disease. Dark green foliage and yellow fall color. Grows 60' tall by 50' wide. 60'x50' Zones 4-7

Grows in windy exposed locations and in poor soils. Good yellow fall color. Excellent for both street and specimen plantings. Relatively pest free. A tough, durable native shade tree with interesting pebbled bark. 60-70'x50' Zones 2-7