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

Planting zone for 81413 — Cedaredge, CO

ZIP code 81413 (Cedaredge, Delta County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is May 3 and the first fall frost October 9.

Where ZIP 81413 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.

Zone5b−15 to −10 °F
Coldest night−26.1 to −23.3 °C
Last frostMay 3
First frostOct 9
2012 zone6b

Was 6b on the 2012 map — a full zone colder now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 5b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Cedaredge, 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 Cedaredge, CO

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 3median — 50% chance of a later frost
Safe for tender plantsMay 21only 10% chance of frost after
First fall frostOctober 9median — 10% chance by Sep 27
Growing season156 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 25 and returns around October 19.

From the NOAA station Cedaredge 3e, CO — 5 miles away, elevation 6,838 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 81413

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 22 – Apr 5
SpinachSow outdoors · Mar 22 – Apr 12
Broccoli, cabbageStart indoors · Feb 22 – Mar 8
Broccoli, cabbageTransplant · Apr 12 – Apr 26
Onion setsPlant outdoors · Apr 5 – Apr 19
PotatoesPlant outdoors · Apr 12 – Apr 26
LettuceSow outdoors · Apr 5 – Apr 19
Carrots, beetsSow outdoors · Apr 12 – Apr 26
TomatoesStart indoors · Mar 8 – Mar 22
TomatoesTransplant · May 10 – May 24
Peppers, eggplantStart indoors · Feb 22 – Mar 8
Peppers, eggplantTransplant · May 17 – May 31
BeansSow outdoors · May 10 – May 24
Sweet cornSow outdoors · May 10 – May 24
Cucumbers, squashSow outdoors · May 10 – May 24
Fall lettuce, spinachSow outdoors · Aug 14 – Aug 28
GarlicPlant cloves · Sep 25 – Oct 30
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 3) and first fall frost (Oct 9) 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 81413 came on Mar 23 — 18 days earlier than the 1991–2020 average (Apr 10).

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).

Soil in Cedaredge, CO

The soil mapped at the center of ZIP 81413 is Delson — stony loam, well drained.

TextureStony loama good balance for most vegetables
pH7.0neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter3%moderate
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Delson stony loam, 3 to 20 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 81413; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Cedaredge, CO

Summer high86 °Faverage high, July
Winter low19 °Faverage low, January
Hot days19days a year at 90 °F or more
Freezing nights150nights a year at 32 °F or less
Growing degree days2,561base 50 °F — the season’s usable heat
Longest day14 h 54 mindaylight on June 21
Shortest day9 h 26 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation12.5 inper year, rain and melted snow
Snowfall40 inper year

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 37 °F, low 19 °F 37°19° JanFebruary: average high 40 °F, low 22 °F 40°22° FebMarch: average high 50 °F, low 29 °F 50°29° MarApril: average high 58 °F, low 35 °F 58°35° AprMay: average high 68 °F, low 44 °F 68°44° MayJune: average high 80 °F, low 53 °F 80°53° JunJuly: average high 86 °F, low 59 °F 86°59° JulAugust: average high 83 °F, low 57 °F 83°57° AugSeptember: average high 74 °F, low 49 °F 74°49° SepOctober: average high 61 °F, low 38 °F 61°38° OctNovember: average high 47 °F, low 28 °F 47°28° NovDecember: average high 37 °F, low 19 °F 37°19° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″January: 1.05 in precipitation, 9.8 in snowfall 1.1❄10 JanFebruary: 0.92 in precipitation, 8.1 in snowfall 0.9❄8 FebMarch: 0.80 in precipitation, 6.2 in snowfall 0.8❄6 MarApril: 1.01 in precipitation, 2.6 in snowfall 1.0❄3 AprMay: 1.16 in precipitation, 0.5 in snowfall 1.2❄1 MayJune: 0.48 in precipitation 0.5 JunJuly: 1.04 in precipitation 1.0 JulAugust: 1.23 in precipitation 1.2 AugSeptember: 1.83 in precipitation 1.8 SepOctober: 1.27 in precipitation 1.3 OctNovember: 0.54 in precipitation, 3.3 in snowfall 0.5❄3 NovDecember: 1.13 in precipitation, 9.2 in snowfall 1.1❄9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Cedaredge 3e, CO (5 mi away); precipitation: Cedaredge 3e, CO (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

7 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 81413

What planting zone is ZIP code 81413?

ZIP code 81413 (Cedaredge, CO) is in USDA hardiness zone 5b on the 2023 map: the coldest night of an average winter reaches −15 to −10 °F (−26.1 to −23.3 °C).

When is the last frost in Cedaredge, CO?

The median last spring frost (32 °F) near 81413 is May 3; after May 21 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Cedaredge 3e station.

When is the first frost in Cedaredge, CO?

The median first fall frost near 81413 is October 9, giving a median frost-free growing season of 156 days.

When should I plant tomatoes in 81413?

Start tomato seeds indoors around Mar 8 – Mar 22 and set transplants outside around May 10 – May 24, one to three weeks after the median last frost.

How much rain and snow does 81413 get?

About 12.5 inches of precipitation a year and 40 inches of snowfall (NOAA 1991–2020 normals, Cedaredge 3e station).

How hot do summers get in Cedaredge, CO?

The average high peaks at 86 °F in July, with about 19 days a year at 90 °F or more.

What kind of soil does 81413 have?

The USDA soil survey maps Delson at the center of ZIP 81413: stony loam, well drained, pH about 7.0 (neutral).

Did spring come early in Cedaredge, CO in 2026?

Spring leaf-out near 81413 came on Mar 23 in 2026, 18 days earlier than the 1991–2020 average (Apr 10), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Cedaredge, CO?

Intermediate onions: the longest day near 81413 is 14 h 54 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 81413 change?

Yes. The 2012 USDA map put 81413 in zone 6b; the 2023 map puts it in zone 5b. The newer map uses 1991–2020 data and more weather stations.