PORTNEUF VALLEY TREE GUIDE - City of Pocatello

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LARGEDECIDUOUSTREESLarge trees can be long lived. When selecting a tree from this group,be sure that the site has ample room to accommodate it at maturity.Plant in open areas or in planting strips wider than 6’. Space 30–50’apart.36Ash, GreenFraxinus pennsylvanicaZ 3-9Mature size: 50’h x 40’wGrowth rate: medium to fastAvailability: readilyAn extremely hardy tree thatgrows under many conditions.Shiny green leaves turn yellow inautumn. Seed can be a nuisance.Subject to several insect anddisease problems; borers are themost serious. Overplanted buttough. Choose male cultivars.Some recommended varieties:‘Bergeson’, ‘Marshall’, ‘Patmore’,and ‘Urbanite’.Where to see: Commonin town; SE corner ofTerry & Princeton.© Richard WebbLarge Deciduous Trees
37Ash, WhiteFraxinus americanaLarge Deciduous Trees© Richard WebbZ 3-9Mature size: 60’h x 40–60’wGrowth rate: mediumAvailability: readilyUpright oval crown becomesrounded at maturity. Leaves turnyellow to reddish purple in fall.Gray-brown bark is tightly ridgedin diamond shapes. Superiorto more commonly plantedgreen ash. ‘Autumn Purple’is an excellent cultivar withdependable red-purple fall color.Native of eastern North America.Subject to borer insects.Where to see: ISU parking lot southof Holt Arena.Beech, EuropeanFagus sylvaticaZ 3-9Mature size: 50’h x 40’wGrowth rate: medium to slowAvailability: readilyLong-lived. Wide, stately canopy.Leaves cast dense shade andturn reddish bronze in fall.Smooth gray bark. Nuts form ina prickly shell. Good on alkalinesoils but needs adequate water.‘Riversii’ (coppery-green leaves);‘Atropunicea’ or ‘Purpurea’ (darkpurple leaves); smaller ‘Tricolor’and ‘Roseomarginata’ (leavesedged in pink and cream);‘Pendula’ (weeping form).Where to see: ‘Riversii’ at TaysomPark; ‘Pendula’ at ISU College ofBusiness; ‘Purpurea’ 551 S. Duke.
Page 2: TOWN & COUNTRYTown & Country Garden
Page 7 and 8: 3Pocatello’s tree ordinance requi
Page 10 and 11: 6Care For Your TreesOverfertilizati
Page 12 and 13: Most of Pocatello falls into USDA Z
Page 14 and 15: Chaintree, GoldenLaburnum X waterer
Page 16 and 17: Dogwood, CornelianCherryCornus masZ
Page 18 and 19: HawthornsCrataegus spp.14Z 3-8Matur
Page 20 and 21: Lilac, PekingSyringa pekinensisZ 4-
Page 22 and 23: Maple, Rocky Mtn.Acer glabrumZ 3-7M
Page 24 and 25: Mtn. Mahogany, CurlleafCercocarpus
Page 26 and 27: Redbud, EasternCercis canadensis22M
Page 28 and 29: MEDIUMDECIDUOUSTREES24Medium trees
Page 30 and 31: Boxelder, SensationAcer negundo ‘
Page 32 and 33: Corktree, AmurPhellodendron amurens
Page 34 and 35: Hornbeam, EuropeanCarpinus betulusZ
Page 36 and 37: Maple, NorwayAcer platanoides32Z 3-
Page 38 and 39: Pagodatree, JapaneseSophora japonic
Page 42 and 43: Buckeye, YellowAesculus flava38Z 4-
Page 44 and 45: Hackberry, CommonCeltis occidentali
Page 46 and 47: Linden, SilverTilia tomentosa42Z 4-
Page 48 and 49: Planetree, LondonPlatanus X acerifo
Page 50 and 51: SMALLCONIFERSJuniper, ChineseJunipe
Page 52 and 53: MEDIUMCONIFERSArborvitae, AmericanT
Page 54 and 55: Pine, LimberPinus flexilis50Z 3-7Ma
Page 56 and 57: 52LARGECONIFERSDouglas-FirPseudotsu
Page 58 and 59: Pine, Scotch/ScotsPinus sylvestris5
Page 60 and 61: Spruce, SerbianPicea omorika56Z 4-7
Page 62 and 63: Pear, Korean, Pyrus fauriei: Round,
Page 64 and 65: GRAFTED CONIFER VARIETIESGrafted tr
Page 66 and 67: TREES WITH SIGNIFICANT PROBLEMSIN S
Page 68 and 69: SHRUBS, CONT’D.VIBURNUM WAYFARING
Page 70 and 71: 66It’s Not Easy“BEING GREEN”S
Page 72 and 73: Looking Good68If the trees in your
Page 74 and 75: 70Pollution PreventionPlant a tree.
Page 76 and 77: 72Your Tree & LawnCare SpecialistTr
Page 78: Sidebar

PORTNEUF VALLEY TREE GUIDE - City of Pocatello

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