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Rhamnus frangula 'Columnaris'
Tall hedge buckthorn
Zone 3
Formal framing, screening, weed plant back east, berries red - purple that germinate easily, really twiggy, bud scales cat claw shaped. Grows 10-15' high and 3-4' wide.
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Aronia melanocarpa var. elata
Glossyblack chokeberry
Zone 3
Black cherrylike fruit in fall through winter, nasty edible, white flower clusters, has more verticle habit, screening/hedging. Grows 6-10' high and 3-5' wide.
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Hamamelis x intermedia
Witchhazel
Zone 5
Shrub, multi trunked, some small varieties, blooms Jan - Feb, spiderlike petaled flower, yellowish brown/ redish brown flower, fruits in summer, shoehorn shaped leaf, incredible fall color. Grows 10-15' high and wide.
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Celastrus scandens
American bittersweet
Zone 3
Twining vine, requires humidity and a little acidity, rounded with dimple on leaf, fruit-yellow peels back to red berry-winter, classified as weeds back east. Grows 20' long.
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Acer negundo
Boxelder
Zone 3
Seperated leaves, sumaras, can develope into pinnate leaf, weed tree, grows along stream beds, fast growing, beautiful sillhoettes, golden yellow fall color, messy, listed in many states as illegal. Grows 30-50' high and 20-30' wide.
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Ailanthus altissima
Tree of heaven
Zone 5
Weed tree, large pinnate foliage, somewhat xeric, sumaras. Grows 40-50' high and 20-30' wide.
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Elaeagnus angustafolia
Russian olive
Zone 2
Weed tree, grey foliage, xeric, grows along stream beds, creates olive like fruit, yellow blossom, causes a lot of hay fever, distinct smell, greyish brown trunk, thorny. Grows 20-30' high and wide.
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Populus alba
Silver popular
Zone 3
Whitish top black bottom, backside of foliage beautiful silver, brittle, lobed leaf. Grows 50-70' high and wide.
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Populus spp.
Cottonwoods
Zone 2
Four groups, white greys, leucoides, balsam, and black. balsam grows in east, black grown in intermountain and NW, leucoides arching canopy, white greys SW growing. Grows 60-70' high and 20-30' wide.
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Hybrid populars
Tower popular/Highland popular
Zone 3
Quick growing, sterile, leaf like swedish aspen but more lobey. Grows 40-50' high and 20-30' wide.
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Tamarix ramosissima
Tamarisk
Zone 2
Weed tree, will grow along stream beds, dry, deciduous but leaves more awl/scale like, heavily illegal to plant in a lot of intermountain states, pink loaded blossom. Grows 10-15' high and wide.
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Ulmus pumila
Siberian elm
Zone 3
Narrow crotch angles, large serrations, sand paperie strong venations, quarter sized leaf, sumaras, fruits early spring when moist, resistant to a lot of disease. Grows 50-70' high and 30-40' wide.
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Salix spp.
Willows
Zone 2-4
Lots of color for winter.
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Prunus tomentosa
Nan king cherry
Zone 2
Blooms in spring, highly serrated, loads up with cherry like fruit, edible, good jams and jellies.
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