Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 80467 — Oak Creek, CO

ZIP code 80467 (Oak Creek, Routt County) is in USDA zone 5a: the coldest winter night averages −20 to −15 °F. The median last spring frost is June 14 and the first fall frost September 11.

Where ZIP 80467 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone5a−20 to −15 °F
Coldest night−28.9 to −26.1 °C
Last frostJun 14
First frostSep 11
2012 zone4b

Was 4b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 5a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Oak Creek, CO…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Oak Creek, CO

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostJune 14median — 50% chance of a later frost
Safe for tender plantsJune 28only 10% chance of frost after
First fall frostSeptember 11median — 10% chance by Aug 29
Growing season89 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 31 and returns around September 20.

From the NOAA station Yampa, CO — 6 miles away, elevation 7,858 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 80467

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · May 3 – May 17
SpinachSow outdoors · May 3 – May 24
Broccoli, cabbageStart indoors · Apr 5 – Apr 19
Broccoli, cabbageTransplant · May 24 – Jun 7
Onion setsPlant outdoors · May 17 – May 31
PotatoesPlant outdoors · May 24 – Jun 7
LettuceSow outdoors · May 17 – May 31
Carrots, beetsSow outdoors · May 24 – Jun 7
TomatoesStart indoors · Apr 19 – May 3
TomatoesTransplant · Jun 21 – Jul 5
Peppers, eggplantStart indoors · Apr 5 – Apr 19
Peppers, eggplantTransplant · Jun 28 – Jul 12
BeansSow outdoors · Jun 21 – Jul 5
Sweet cornSow outdoors · Jun 21 – Jul 5
Cucumbers, squashSow outdoors · Jun 21 – Jul 5
Fall lettuce, spinachSow outdoors · Jul 17 – Jul 31
GarlicPlant cloves · Aug 28 – Oct 2
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jun 14) and first fall frost (Sep 11) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 80467 came on Apr 14 — 25 days earlier than the 1991–2020 average (May 9).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 5a in Colorado

532 plants native to the lower 48 states, recorded in Colorado, and rated by the USDA to survive −20 °F or colder — the bottom of zone 5a. Each links to its USDA PLANTS profile.

Trees 27

Shrubs 95

Wildflowers & perennials 239

Grasses 159

Vines 3

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Oak Creek, CO.

Soil in Oak Creek, CO

The soil mapped at the center of ZIP 80467 is Frisco — slightly decomposed plant material, well drained.

TextureSlightly decomposed plant materialtop layer
pH5.0strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter75%high
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Frisco-Tamarron complex, 10 to 40 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 80467; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Oak Creek, CO

Summer high79 °Faverage high, July
Winter low7 °Faverage low, January
Hot days0days a year at 90 °F or more
Freezing nights222nights a year at 32 °F or less
Growing degree days1,206base 50 °F — the season’s usable heat
Longest day15 h 02 mindaylight on June 21
Shortest day9 h 18 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation16.9 inper year, rain and melted snow
Snowfall131 inper year; 144 days with snow on the ground

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 32 °F, low 7 °F 32°7° JanFebruary: average high 35 °F, low 9 °F 35°9° FebMarch: average high 43 °F, low 17 °F 43°17° MarApril: average high 52 °F, low 24 °F 52°24° AprMay: average high 62 °F, low 33 °F 62°33° MayJune: average high 74 °F, low 40 °F 74°40° JunJuly: average high 79 °F, low 47 °F 79°47° JulAugust: average high 78 °F, low 45 °F 78°45° AugSeptember: average high 70 °F, low 37 °F 70°37° SepOctober: average high 57 °F, low 27 °F 57°27° OctNovember: average high 42 °F, low 17 °F 42°17° NovDecember: average high 32 °F, low 8 °F 32°8° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″January: 1.37 in precipitation, 26.1 in snowfall 1.4❄26 JanFebruary: 1.29 in precipitation, 21.3 in snowfall 1.3❄21 FebMarch: 1.32 in precipitation, 16.8 in snowfall 1.3❄17 MarApril: 1.82 in precipitation, 15.5 in snowfall 1.8❄16 AprMay: 1.62 in precipitation, 4.7 in snowfall 1.6❄5 MayJune: 1.11 in precipitation, 0.5 in snowfall 1.1❄1 JunJuly: 1.62 in precipitation 1.6 JulAugust: 1.59 in precipitation 1.6 AugSeptember: 1.48 in precipitation, 0.6 in snowfall 1.5❄1 SepOctober: 1.26 in precipitation, 6.9 in snowfall 1.3❄7 OctNovember: 1.19 in precipitation, 17.4 in snowfall 1.2❄17 NovDecember: 1.27 in precipitation, 21.4 in snowfall 1.3❄21 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Yampa, CO (6 mi away); precipitation: Yampa, CO (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

5 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

Colorado planting zones →

Questions about 80467

What planting zone is ZIP code 80467?

ZIP code 80467 (Oak Creek, CO) is in USDA hardiness zone 5a on the 2023 map: the coldest night of an average winter reaches −20 to −15 °F (−28.9 to −26.1 °C).

When is the last frost in Oak Creek, CO?

The median last spring frost (32 °F) near 80467 is June 14; after June 28 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Yampa station.

When is the first frost in Oak Creek, CO?

The median first fall frost near 80467 is September 11, giving a median frost-free growing season of 89 days.

When should I plant tomatoes in 80467?

Start tomato seeds indoors around Apr 19 – May 3 and set transplants outside around Jun 21 – Jul 5, one to three weeks after the median last frost.

How much rain and snow does 80467 get?

About 16.9 inches of precipitation a year and 131 inches of snowfall (NOAA 1991–2020 normals, Yampa station).

How hot do summers get in Oak Creek, CO?

The average high peaks at 79 °F in July, with about 0 days a year at 90 °F or more.

What kind of soil does 80467 have?

The USDA soil survey maps Frisco at the center of ZIP 80467: slightly decomposed plant material, well drained, pH about 5.0 (strongly acidic).

Did spring come early in Oak Creek, CO in 2026?

Spring leaf-out near 80467 came on Apr 14 in 2026, 25 days earlier than the 1991–2020 average (May 9), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Oak Creek, CO?

Long-day onions: the longest day near 80467 is 15 h 02 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 80467 change?

Yes. The 2012 USDA map put 80467 in zone 4b; the 2023 map puts it in zone 5a. The newer map uses 1991–2020 data and more weather stations.