Ornamental tree have some feature of speech , such as flowers or colorful foliage , that makes them distinct . In Minnesota , trees must abide a rough winter , so they must be hardy to USDA Zone 3 . Five trees that are not appropriate as ornamentals are consider an trespassing specie by the Minnesota Department of Natural Resources : Norway maple ( Acer platanoides ) , Amur maple ( Acer ginnala ) , Russian olive ( Elaeagnus angustifolia ) , Siberian elm ( Ulmus pumila ) , and Siberian peashrub ( Caragana arborescens ) .
Flowering Crabapple
Crabapple ( Malus ) trees grow between 7 and 20 feet high , with a bed covering of between 12 and 30 feet . They produce red , pink or white flowers in the spring . Leaves vary in shadiness of unripe , purple and red . Not all are fearless to Zone 3 , but varieties that are let in Flame , Radiant , Sparkler , Vanguard , Red Splendor , Royalty and Snowdrift . Pink Spires and Selkirk varieties are hardy to Zone 2 . industrial plant flowering crabapples in full sun in well - draining , loamy filth .
Red Maple
ruddy maple ( Acer rubrum ) average from about 50 to 75 feet mellow with a 25- to 45 - foot spread . They are adaptable to different soil and wet grade . The name comes from their brilliant descent color , which can be red , yellow or orange . mixture that grow well in Minnesota let in Autumn Spire , Firefall ( TM ) , Freeman and Northwood .
Buckeye
The Autumn Splendor version of the buckeye ( Aesculus ) is a good choice for Minnesota . It grow about 35 metrical unit eminent and develop clusters of yellow bloom in the late spring , followed by a yield that is similar to a horse chestnut . It has shiny greenish leave-taking that twist shining maroon in the fall .
Prunus
blossom plum ( Prunus Americana ) and almond trees ( Prunus glandulosa ) wo n’t always get fruit , but the attractive flowers and decline colour make up for this small-scale factor . It grows about 20 foot gamy , with a spread of between 15 and 20 feet . The Newport diversity has pink flowers and dark regal leaf . Princess Kay produces a white dual blossom with leaves that bend crimson in the fall . Manitou produces pink blossom and is a hybrid Prunus dulcis Sir Herbert Beerbohm Tree .
Corktrees and Coffeetrees
The corktree ( Phellodendron amurense ) and Kentucky coffeetree ( Gymnocladus dioicus ) are tree that add together involvement even in the winter because of their deep groove barque . The Corktree is fast - develop , with an fair height of 40 substructure and a like width . It tolerates alkaline territory and refuse most insect and disease . A dear variety for Minnesota is His Majesty . The Coffeetree grows about 50 animal foot high with a 50 - infantry spread , and tolerates a wide variety of grime . Best of all , it is easy to grow gage under it and it has no come pods . A expert form for Minnesota is noble Manor .
Redbud
The Minnesota mixed bag of redbud ( Cercis canadensis ) is a good option for anyone needing a pocket-sized ornamental tree diagram . It grows about 12 feet high , with a similar spread . It bring on dark pink to purple heyday in early May .
Pine
Two cosmetic pine Tree that farm well in Minnesota include the jack pine ( Pinus banksiana ) and blood-red pine ( Pinus resinosa ) . The Uncle Fogey variety of the jack pine grows about 6 feet high and has a drooping drug abuse . The Wissota variety of the red pine is a nanus chassis of Minnesota ’s res publica tree — which in its original form has been to known to reach 100 foot tall . The gnome form reaches a acme of 6 feet .
Additional Options
A few more trees that you may study are Amur Maackia ( Maackia amurensis " Summertime " ) , Double Flowering Plum ( genus Prunus triloba ) , European Mountain Ash ( Sorbus aucuparia " Michred " ) , Japanese Tree Lilac ( Syringa reticulata ) , Magnolia x Jane ( Magnolia x Jane ) , Pagoda Dogwood ( Cornus alternifolia ) , Paper Birch ( Betula papyrifera ) , Russian Olive ( Elaeagnus angustifolia ) , Showy Mountain Ash ( Sorbus decora ) , Viburnum Nanyberry Tree ( Viburnum lentago ) and Walker Weeping Caragana ( Caragana arborescens " Walker " ) .
