State reference · West

Colorado

Colorado (CO) covers 6 primary USDA hardiness zones across 625 zip codes. Capital: Denver.

USDA hardiness zones in Colorado

Zone share is computed from the 625 zip codes within Colorado. The most common zone is the best starting point for state-wide guidance; check your local zip for microclimate accuracy.

43.8%

274 zips
34.7%

217 zips
11.7%

73 zips
5.8%

36 zips
2.1%

13 zips
1.6%

10 zips

State-wide baseline

Zone 6a covers the largest share of Colorado, with winter lows around -10°F to -5°F and a typical growing season of 180 days. Zone 6a guide →

Crops suited to Colorado

Crops whose recommended USDA zone range overlaps Colorado's dominant zones. 91 crops match.

Tree fruit

14 crops

American Persimmon

Diospyros virginiana

zones 4b–9a

Apple

Malus domestica

zones 3a–9a

Apricot

Prunus armeniaca

zones 5a–8a

Asian Persimmon

Diospyros kaki

zones 7a–10a

European Plum

Prunus domestica

zones 4a–8a

Fig

Ficus carica

zones 7a–10b

Japanese Plum

Prunus salicina

zones 5b–9a

Jujube

Ziziphus jujuba

zones 6a–9b

See all 14 tree fruit →

Berries

21 crops

Aronia (Black Chokeberry)

Aronia melanocarpa

zones 3a–8a

Black Currant

Ribes nigrum

zones 3a–7a

Black Raspberry

Rubus occidentalis

zones 4a–8a

Blackberry

Rubus subgenus Rubus

zones 5a–9a

Cranberry

Vaccinium macrocarpon

zones 3a–7a

Elderberry

Sambucus canadensis

zones 3b–9a

Everbearing Strawberry

Fragaria x ananassa

zones 3b–9a

Goji Berry

Lycium barbarum

zones 3b–10a

See all 21 berries →

Nuts

6 crops

Almond

Prunus dulcis

zones 6a–9a

Black Walnut

Juglans nigra

zones 4a–9a

Chestnut

Castanea species and hybrids

zones 4b–8b

English Walnut

Juglans regia

zones 5a–9a

Hazelnut

Corylus species and hybrids

zones 4a–8a

Pecan

Carya illinoinensis

zones 6a–9a

Vegetables

40 crops

Arugula

Eruca vesicaria

zones 3b–9a

Asparagus

Asparagus officinalis

zones 3b–8b

Beet

Beta vulgaris

zones 3a–9a

Broccoli

Brassica oleracea var. italica

zones 3a–9a

Brussels Sprouts

Brassica oleracea var. gemmifera

zones 3b–8a

Bush Bean

Phaseolus vulgaris

zones 3b–9a

Cabbage

Brassica oleracea var. capitata

zones 3a–9b

Carrot

Daucus carota subsp. sativus

zones 3a–9a

See all 40 vegetables →

Herbs

10 crops

Basil

Ocimum basilicum

zones 4a–10b

Chives

Allium schoenoprasum

zones 3a–8b

Cilantro / Coriander

Coriandrum sativum

zones 3b–9b

Dill

Anethum graveolens

zones 3b–9a

Mint

Mentha species

zones 3b–9b

Oregano

Origanum vulgare

zones 4a–9b

Parsley

Petroselinum crispum

zones 3b–9b

Rosemary

Salvia rosmarinus

zones 7a–10b

See all 10 herbs →

Largest cities in Colorado

Cities ranked by population (GeoNames public-domain data). Each city has a curated planting reference with its USDA zone, frost dates, and recommended crops.

USDA hardiness zones in Colorado

American Persimmon

Apple

Apricot

Asian Persimmon

European Plum

Fig

Japanese Plum

Jujube

Aronia (Black Chokeberry)

Black Currant

Black Raspberry

Blackberry

Cranberry

Elderberry

Everbearing Strawberry

Goji Berry

Almond

Black Walnut

Chestnut

English Walnut

Hazelnut

Pecan

Arugula

Asparagus

Beet

Broccoli

Brussels Sprouts

Bush Bean

Cabbage

Carrot

Basil

Chives

Cilantro / Coriander

Dill

Mint

Oregano

Parsley

Rosemary

Largest cities in Colorado

Curated zip pages in Colorado

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