Colorado

Colorado Urban Forestry Coordinator

Keith Wood
Community Forester
Colorado State Forest Service
9769 W. 119th Dr. Ste. 12
Broomfield, CO, 80021
303-438-9338

If your inquiry is specific to an expected shipment from or information regarding the Arbor Day Foundation, please contact Member Services at
or 888-448-7337.

Colorado is in zones: 2–7 (more)

Hardiness Zone Map

Tree City USA Communities: 91

City Years Population
Denver 27 620000
Colorado Springs 36 428277
Aurora 29 335700
Fort Collins 35 147000
Lakewood 31 144000
Thornton 26 120000
Arvada 22 108530
Westminster 28 107967
Pueblo 33 107000
Boulder 29 97385
Greeley 33 95581
Highlands Ranch 25 93000
Longmont 33 87850
Fort Carson 26 73800
Loveland 24 66000
Broomfield 24 60965
Grand Junction 30 59200
Castle Rock 26 50028
Parker 20 48000
Littleton 26 42529
Commerce City 22 42000
Northglenn 23 35789
Brighton 27 34019
Wheat Ridge 34 31031
Englewood 28 30255
Lafayette 18 24453
Windsor 32 20344
Erie 15 20000
Evans 29 19000
Louisville 32 19000
Golden 23 18500
Montrose 24 17000
Durango 33 16887
Canon City 33 16000
Sterling 25 14777
Greenwood Village 24 13925
Ken-Caryl Ranch 23 12950
Buckley AFB 8 12838
Fruita 20 12600
Superior 10 12500
Steamboat Springs 22 12172
Lone Tree 11 11097
Trinidad 1 9096
Glenwood Springs 28 9000
Alamosa 23 8896
Delta 29 8500
Schriever AFB 15 8124
Cortez 21 8000
Lamar 22 7804
La Junta 32 7245
Woodland Park 21 7200
Carbondale 19 6619
Aspen 21 6548
Gunnison 23 5890
Estes Park 16 5858
Monument 19 5800
USAF Academy 20 5721
Milliken 10 5610
Brush 23 5471
Berthoud 30 5200
Salida 26 5000
New Castle 9 4518
Eaton 29 4400
Pleasant View 11 4380
Rocky Ford 21 3981
Florence 29 3873
Basalt 2 3859
Silt 15 2930
Palmer Lake 31 2513
Platteville 9 2500
Cedaredge 19 2300
Buena Vista 24 2100
Lyons 27 2033
Limon 22 1880
Hayden 8 1850
Olathe 21 1849
Peterson AFB 19 1800
Crested Butte 12 1500
Springfield 22 1451
Elizabeth 14 1359
Ordway 10 1078
Dillon 15 904
La Veta 27 875
Holly 4 802
Eads 19 750
Swink 15 697
Saguache 24 485
Grand Lake 23 458
Lake City 25 408
Olney Springs 8 350
Campo 9 154
» shrink list…