Sublette County Conservation District
Sublette County Conservation District
Skip Navigation Links
Coming Events
 
07/04/2017
Independence Day - Office Closed
    More >>
 
07/05/2017
Wy Public Lands Initiative Meeting 1-5:00 PM
    More >>
 
07/11/2017
Board Meeting
    More >>
 

            

 

Tree Species 

 
 

 

 
 
 
(Click on the tree's "Common Name"
to be directed to more detailed information
from the USDA Plants Database)  
Information
 
       = native to our area                        =moist soils

 

 Caragana
Caragana arborescens       Growth Form: irregular or hedgelike
Crown Density: dense, Size: 8-12 feet high 5-8 foot spread
Drought Resistance: excellent, Cold Hardiness: excellent
Growth Rate: rapid, Life Span: moderate
Elevational Range: to 9,500 feet
Soil Conditions: good salt and alkaline tolerance
Possible Insect Problems: aphids and grasshoppers
Possible Disease Problems: very resistant
Wildlife Value: good: songbirds
Seasonal Color: yellow spring flowers. Miscellany: does well in poor soils

 

 

 

   Quaking Aspen 
Populus tremuloides
Growth Form: ovoid to columnar
Crown Density: open, Size: 35-50 feet high 20-35 foot spread
Drought Resistance: poor, Cold Hardiness: excellent,
Growth Rate: rapid, Life Span: moderate
Elevational Range: to 11,000 feet
Soil Conditions: prefer Coarse, Gravelly
Possible Insect Problems: poplar borer, scale, tent caterpillar, twig gall fly
Possible Disease Problems: cytospora canker, leaf spot
Wildlife Value: high: buds and catkins for food value for
grouse and browsers
Seasonal Color: yellow fall color
Miscellany: native

 

 

 

   Narrowleaf Cottonwood
Populus angustifolia          Growth Form: ovoid to irregular, Crown Density: moderate
Size: to 50 feet high, to 30 foot spread
Drought Resistance: fair, Cold Hardiness: excellent
Growth Rate: rapid, Life Span: moderate
Elevational Range: 5,000 to 9,500 feet
Soil Conditions: tolerates alkaline well
Possible Insect Problems: blotchmine beetle
Possible Disease Problems: cytospora canker; bacterial wetwood
Wildlife Value: moderate: nesting and roosting cover; buds catkins and twigs for food value
Seasonal Color: yellow
Miscellany: native; very weak wood

 

 


 

 

Lilac
Syringa spp.                        Growth Form: round to irregular, Crown Density: dense
Size: 8-12 feet high 8-12 foot spread
Drought Resistance: very good, Cold Hardiness: excellent
Growth Rate: rapid, Life Span: moderate
Elevational Range: to 8,000 feet
Soil Conditions: good alkaline tolerance
Possible Insect Problems: lilac borer, leaf miners, oyster
shell scale
Possible Disease Problems: lilac leaf blotch, powdery
mildew, some leaf spots
Wildlife Value: moderately high: songbirds; cover value
Seasonal Color: fragrant purple or white spring flowers
Miscellany: develops into a dense barrier

 
 
  Serviceberry 
Amelanchier spp.
Growth Form: ovoid to irregular, Crown Density: moderate
Size: 6 feet high 5 foot spread
Drought Resistance: fair, Cold Hardiness: excellent
Growth Rate: moderate, Life Span: long
Elevational Range: to 9,000 feet
Soil Conditions: moist
Possible Insect Problems: pear slug
Possible Disease Problems: leaf spots and rust
Wildlife Value: excellent: big game browse; food value for
upland game
Seasonal Color: showy white flowers
Miscellany: native; edible fruit; showy flowers

  


 
 

 

 Sumac (skunkbush)
Rhus trilobata

Growth Form: irregular, Crown Density: dense
Size: to 4 feet high, to 8 foot spread
Drought Resistance: excellent, Cold Hardiness: excellent
Growth Rate: rapid to moderate, Life Span: moderate
Elevational Range: to 8,000 feet
Soil Conditions: excellent alkaline tolerance
Possible Insect Problems: fairly resistant
Possible Disease Problems: Fusarium wilt
Wildlife Value: excellent: many birds
Seasonal Color: red-orange fall foliage
Miscellany: native; berries have slight lemon taste when
rolled under tongue

 

 

   Woods or Wild Rose      Growth Form: ovoid to columnar
Crown Density: open, Size: 35-50 feet high 20-35 foot spread
Drought Resistance: poor, Cold Hardiness: excellent,
Growth Rate: rapid, Life Span: moderate
Elevational Range: to 11,000 feet
Soil Conditions:
Possible Insect Problems: poplar borer, scale, tent caterpillar,
twig gall fly
Possible Disease Problems: cytospora canker, leaf spot
Wildlife Value: high: buds and catkins for food value for
grouse and browsers
Seasonal Color: yellow fall color
Miscellany: native

 

 

 

Buffaloberry                Shepherdia argentea                   
Growth Form: round to irregular, Crown Density: dense
Size: 10 feet high; spreading
Drought Resistance: good, Cold Hardiness: excellent
Growth Rate: moderate, Life Span: long
Elevational Range: to 7,500 feet
Soil Conditions: tolerates alkaline
Possible Insect Problems: unimportant
Possible Disease Problems: unimportant
Wildlife Value: good: food value; excellent: cover for small
game and songbird nesting
Seasonal Color: not conspicuous
Miscellany: native; edible fruit for jellies; forms thickets
   

 

Native plum

Prunus americana               Growth Form: irregular, Crown Density: open
Size: to 8 feet high, to 8 foot spread
Drought Resistance: good, Cold Hardiness: excellent,
Growth Rate: rapid, Life Span: moderate
Elevational Range: to 8,000 feet
Soil Conditions: good alkaline tolerance
Possible Insect Problems: pear-slug sawfly
Possible Disease Problems: fireblight, powdery mildew
Wildlife Value: excellent: hoofed browsers; nesting cover and
food value
Seasonal Color: large white flowers in May
Miscellany: native; delicious edible fruit for jellies and
canning;forms a thicket

       

 


 
 

 

Chokecherry
Prunus virginiana
Growth Form: ovoid to irregular
Crown Density: moderate
Size: 6-20 feet high, 6-20 foot spread
Drought Resistance: good, Cold Hardiness: excellent
Growth Rate: rapid, Life Span: moderate
Elevational Range: to 9,000 feet
Soil Conditions: good alkaline tolerance, suitable for clay
Possible Insect Problems: borers, pear-slug sawfly
Possible Disease Problems: black knot, fireblight
Wildlife Value: high: song and ground birds; good: small
mammals, and browse for deer
Seasonal Color: golden yellow to orange fall foliage
Miscellany: delicious edible fruit for jellies and pies; native;
can be poisonous to livestock

            

 


 
 

 

Colorado Blue Spruce
Picea pungens
Growth Form: conical, Crown Density: dense
Size: 60-100 feet high 15-35 foot spread
Drought Resistance: fair, Cold Hardiness: excellent
Growth Rate: slow, Life Span: long
Elevational Range: to 9,500 feet
Soil Conditions: fair alkaline tolerance, coarse, gravelly
Possible Insect Problems: pine needle scale, tussock moth,
terminal weevil, gall aphids
Possible Disease Problems: Valsa canker, spruce witches’ broom
Wildlife Value: high: song and ground birds and grouse;
hoofed and small browsers
Seasonal Color: bluish evergreen
Miscellany: native; Colorado’s state tree; high ornamental value 

 

 

 

Cotoneaster
Cotoneaster acutifolia
Growth Form: irregular or hedgelike
Crown Density: dense
Size: 8-12 feet high 5-8 foot spread
Drought Resistance: excellent, Cold Hardiness: excellent
Growth Rate: rapid, Life Span: moderate
Elevational Range: to 9,500 feet
Soil Conditions: good salt and alkaline tolerance
Possible Insect Problems: aphids and grasshoppers
Possible Disease Problems: very resistant
Wildlife Value: good: songbirds
Seasonal Color: yellow spring flowers
Miscellany: does well in poor soils

            

 


 
       

Douglas Fir              Pseudotsuga menziesii
Growth Form: conical to pyramidal, Crown Density: dense
Size: 70-100 feet high, 20-35 foot spread
Drought Resistance: good, Cold Hardiness: excellent
Growth Rate: slow, Life Span: long
Elevational Range: 6,000 to 9,000 feet
Soil Conditions: Coarse, Gravelly
Possible Insect Problems: spruce budworm
Possible Disease Problems: shoestring root rot;
Douglas-fir mistletoe, bacterial gall
Wildlife Value: high: food value for grouse, songbirds and
small mammals; browse for deer and elk
Seasonal Color: evergreen                                                      Miscellany: native

 


 
 

 

Engelmann Spruce
Picea engelmannii
Growth Form: conical to spirelike, Crown Density: dense
Size: 70-90 feet high,  15-30 foot spread
Drought Resistance: very good
Cold Hardiness: excellent, Growth Rate: slow
Life Span: long
Elevational Range: 8,000 to 11,000 feet
Soil Conditions: Coarse, Gravelly
Possible Insect Problems: spruce bark beetle, spruce
budworm
Possible Disease Problems: root rot, spruce broom rust
Wildlife Value: high: food value for grouse and songbirds; browse for deer and elk
Seasonal Color: evergreen
Miscellany: native; intolerant of direct sun, requires shade, a better choice in spruce trees for our area     

            

 


 
 

 

 Foresteria or Privet
Forestiera neomexicana     Growth Form: irregular, Crown Density: dense
Size: 10 feet high
Drought Resistance: excellent, Cold Hardiness: good
Growth Rate: moderate, Life Span: long
Elevational Range: to 7,500 feet
Soil Conditions: moist; alkaline tolerance
Possible Insect Problems: unimportant
Possible Disease Problems: unimportant
Wildlife Value: good; fruit valuable to quail, songbirds;
excellent cover
Seasonal Color: not conspicuous
Miscellany: native; bluish-black fruit; yellow flowers

 

 


 
 

 

  Golden Currant
Ribes aureum
Growth Form: round to irregular, Crown Density: moderate
Size: 7 feet high 3 foot spread
Drought Resistance: good, Cold Hardiness: good
Growth Rate: rapid, Life Span: moderate
Elevational Range: to 8,000 feet
Soil Conditions: moist
Possible Insect Problems: imported currant worm, oyster
shell scale
Possible Disease Problems: blister rust
Wildlife Value: good: food and browse value; nesting cover
Seasonal Color: red to orange fall color; showy yellow flowers

Miscellany: native; edible fruit

            

 

 

 

    Red Osier Dogwood 
Cornus serica
Growth Form: irregular, Crown Density: open
Size: to 8 feet high to 6 foot spread
Drought Resistance: fair, Cold Hardiness: excellent
Growth Rate: rapid, Life Span: moderate
Elevational Range: to 11,000 feet
Soil Conditions: not suited for dense clays
Possible Insect Problems: dogwood sawfly, polyphemus
moth, oystershell scale
Possible Disease Problems: cytospora canker
Wildlife Value: excellent: grouse, pheasant, turkey, grosbeak,
robin, cedar waxwing
Seasonal Color: vivid red fall foliage and stems. Showy white
flowers and berries
Miscellany: for moist sites such as streamside riparian areas

          

 


 
 

 

   Golden Willow
Salix alba vitellina              
Growth Form: globular to spreading
Crown Density: moderate, Size: to 35 feet high to 35 foot spread
Drought Resistance: poor, Cold Hardiness: excellent
Growth Rate: rapid, Life Span: moderate
Elevational Range: to 8,000 feet
Soil Conditions: tolerates alkaline and salts well
Possible Insect Problems: aphids
Possible Disease Problems: cytospora canker; bacterial
wetwood
Wildlife Value: moderate: song and game birds; food value
for buds and twigs
Seasonal Color: orange-yellow bark on young growth
in winter
Miscellany: requires moist soil, suckers and spreads            

       

 

 
 

 

   Coyote Willow 
Salix exigua                         Growth Form: irregular, Crown Density: dense
Size: to 10 feet high; spreading, Drought Resistance: poor
Cold Hardiness: excellent
Growth Rate: rapid, Life Span: short
Elevational Range: to 9,500 feet
Soil Conditions: moist
Possible Insect Problems: willow and poplar borers; sawfly galls
Possible Disease Problems: leaf rust
Wildlife Value: high: food and cover for birds; browse value for deer, elk and moose
Seasonal Color: not conspicuous
Miscellany: native; suckers and spreads
  

 

Flowering Crabapple                   selkirk crabapple 
A rounded canopy of spreading branches, ultimately reaching 10-15 feet in height. The fragrant pink blooms appear in great abundance, and the single, 1.5-inch-diameter flowers are red when in bud but open pink. The blooms are followed in fall by long-lasting, bright red or yellow fruits which are very popular with the birds; can be used to make jelly. Crabapples make a mess of a lawn, walk or driveway when the fruit falls.
Soils: low salt tolerance, clay; loam; sand; acidic; occasionally wet; alkaline; well-drained
Drought tolerance: moderate 



Document List

Tree Planting Guide

 

© Sublette County Conservation District

Created with Webwright Site Builder