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T I P S
Hackberry Northern : Celtis occidentalis
A medium to large tree with a spreading crown reaching a height of 35-55 feet. Fruit is a small dark berry utilized by wildlife. It is native to the eastern and midwestern United States.
Elm, Siberian : Ulmus pumila
A very hardy, fast growing tree with brittle wood which is subject to breakage. Extremely susceptible to insect, disease, and herbicide damage, which makes it an undesirable tree. Often confused with Chinese elm which is not hardy in North Dakota. The largest tree in North Dakota is 60 feet tall with a canopy spread of 55 feet.
Elm, American : Ulmus americana
The state tree of North Dakota. A large vase-shaped ree adapted to a wide variety of sites. No longer recommended because of its susceptibility to Dutch Elm Disease. This may change as
resistance cultivars become known. The largest tree in North Dakota is 62 feet tall with a canopy spread of 74 feet.
Best Crabapple, Siberian : Malus baccata
A small to medium sized, roundheaded tree reaching a height of 15 to 25 feet. It is native from northeastern Asia to northern China. Siberian crabapple is the hardiest species of the Malus genus and produces white flowers.
Photo of the Crabapple, Dolgo Malus Dolgo
has very large dark purple fruit that is packed with flavor as crabs go. These apples make great jellies and some add the juice to ciders as a secret ingredient. Fruit is easy for wildlife to get to as this crab will drop its fruit.
Populus deltoides Cottonwood Siouxland
Selection from South Dakota State University. A large, vigorous, cottonless male tree to 70 feet in height on favorable sites, spreading crown in open areas but with a tall, central trunk when crowded. Selected for leaf rust resistance.
Populus deltoides Cottonwood Native Plains
A large spreading tree reaching 60 to 90 feet in height and 40 to 60 feet in spread. This native specie occurs along waterways and wet meadows throughout the Plains states. Greater drought and alkalinity tolerance than many of the euramericana hybrid poplar cultivars. Produces seed in tufts of "cotton".
Catalpa : Catalpa speciosa
A medium to large szed tree native to the eastern United States, considered borderline hardy for most of North Dakota except the southeastern quarter. An attractive tree with "orchidlike" flowers. Further east, catalpa can become a very large tree, but in North Dakota it rarely exceeds 40 feet.
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