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: 92

City Years Population
Denver 28 620000
Colorado Springs 37 436354
Aurora 30 340269
Fort Collins 36 151330
Lakewood 32 144000
Thornton 27 122000
Westminster 29 109456
Arvada 23 108530
Pueblo 34 107000
Boulder 30 97385
Greeley 34 97248
Highlands Ranch 26 93000
Longmont 34 87454
Fort Carson 27 73800
Loveland 25 66000
Grand Junction 31 59200
Broomfield 25 58992
Castle Rock 27 53466
Parker 21 48000
Littleton 27 43775
Commerce City 23 42000
Northglenn 24 35789
Brighton 28 35018
Englewood 29 32255
Wheat Ridge 35 31000
Lafayette 19 24453
Erie 16 21000
Windsor 33 21000
Evans 30 19000
Montrose 25 19000
Golden 24 19000
Louisville 33 18376
Peterson AFB 20 18000
Durango 34 16887
Canon City 34 16000
Sterling 26 14727
Greenwood Village 25 14454
Ken-Caryl Ranch 24 12950
Buckley AFB 9 12838
Fruita 21 12600
Superior 11 12500
Steamboat Springs 23 12088
Lone Tree 12 11385
Glenwood Springs 29 9000
Delta 30 9000
Alamosa 24 8888
Trinidad 2 8763
Cortez 22 8000
Lamar 23 7804
Woodland Park 22 7201
La Junta 33 7089
Aspen 22 6548
Carbondale 20 6500
Cherry Hills Village 8 6500
USAF Academy 21 6049
Gunnison 24 5880
Estes Park 17 5858
Monument 20 5800
Milliken 11 5793
Brush 24 5400
Schriever AFB 16 5313
Berthoud 31 5267
Edgewater 22 5200
Salida 27 5200
New Castle 10 4551
Eaton 30 4500
Pleasant View 12 4381
Rocky Ford 22 3981
Florence 30 3887
Basalt 3 3826
Silt 16 2930
Palmer Lake 32 2513
Platteville 10 2500
Cedaredge 20 2300
Buena Vista 25 2200
Limon 23 1880
Hayden 9 1850
Olathe 22 1849
Crested Butte 13 1500
Elizabeth 15 1480
Springfield 23 1451
Ordway 11 1078
Dillon 16 905
La Veta 28 875
Eads 20 750
Poncha Springs 4 744
Swink 16 697
Saguache 25 485
Grand Lake 24 471
Lake City 26 408
Olney Springs 9 350
Campo 10 109
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