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

Planting zone for 81069 — Rye, CO

ZIP code 81069 (Rye, Pueblo County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 5 and the first fall frost October 10.

Where ZIP 81069 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.

Zone6a−10 to −5 °F
Coldest night−23.3 to −20.6 °C
Last frostMay 5
First frostOct 10
2012 zone5b

Was 5b 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 6a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Rye, 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 Rye, CO

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 5median — 50% chance of a later frost
Safe for tender plantsMay 20only 10% chance of frost after
First fall frostOctober 10median — 10% chance by Sep 27
Growing season156 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 26 and returns around October 19.

From the NOAA station Rye 1sw, CO — 4 miles away, elevation 7,143 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 81069

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 24 – Apr 7
SpinachSow outdoors · Mar 24 – Apr 14
Broccoli, cabbageStart indoors · Feb 24 – Mar 10
Broccoli, cabbageTransplant · Apr 14 – Apr 28
Onion setsPlant outdoors · Apr 7 – Apr 21
PotatoesPlant outdoors · Apr 14 – Apr 28
LettuceSow outdoors · Apr 7 – Apr 21
Carrots, beetsSow outdoors · Apr 14 – Apr 28
TomatoesStart indoors · Mar 10 – Mar 24
TomatoesTransplant · May 12 – May 26
Peppers, eggplantStart indoors · Feb 24 – Mar 10
Peppers, eggplantTransplant · May 19 – Jun 2
BeansSow outdoors · May 12 – May 26
Sweet cornSow outdoors · May 12 – May 26
Cucumbers, squashSow outdoors · May 12 – May 26
Fall lettuce, spinachSow outdoors · Aug 15 – Aug 29
GarlicPlant cloves · Sep 26 – Oct 31
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 5) and first fall frost (Oct 10) 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 81069 came on Feb 20 — 25 days earlier than the 1991–2020 average (Mar 17).

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 6a in Colorado

563 plants native to the lower 48 states, recorded in Colorado, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. Each links to its USDA PLANTS profile.

Trees 28

Shrubs 104

Wildflowers & perennials 251

Grasses 167

Vines 4

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 Rye, CO.

Soil in Rye, CO

The soil mapped at the center of ZIP 81069 is Nunn — stony loam, well drained.

TextureStony loama good balance for most vegetables
pH7.2neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupCwater soaks in slowly
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Nunn stony loam, 3 to 9 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 81069; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Rye, CO

Summer high82 °Faverage high, July
Winter low23 °Faverage low, January
Hot days7days a year at 90 °F or more
Freezing nights141nights a year at 32 °F or less
Growing degree days2,468base 50 °F — the season’s usable heat
Longest day14 h 48 mindaylight on June 21
Shortest day9 h 32 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation25.4 inper year, rain and melted snow
Snowfall130 inper year; 98 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 44 °F, low 23 °F 44°23° JanFebruary: average high 45 °F, low 24 °F 45°24° FebMarch: average high 52 °F, low 30 °F 52°30° MarApril: average high 58 °F, low 35 °F 58°35° AprMay: average high 67 °F, low 44 °F 67°44° MayJune: average high 79 °F, low 53 °F 79°53° JunJuly: average high 82 °F, low 58 °F 82°58° JulAugust: average high 79 °F, low 56 °F 79°56° AugSeptember: average high 73 °F, low 51 °F 73°51° SepOctober: average high 62 °F, low 39 °F 62°39° OctNovember: average high 51 °F, low 30 °F 51°30° NovDecember: average high 43 °F, low 23 °F 43°23° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″January: 1.25 in precipitation, 18.1 in snowfall 1.3❄18 JanFebruary: 1.20 in precipitation, 20.3 in snowfall 1.2❄20 FebMarch: 2.37 in precipitation, 23.9 in snowfall 2.4❄24 MarApril: 3.26 in precipitation, 21.1 in snowfall 3.3❄21 AprMay: 2.39 in precipitation, 2.6 in snowfall 2.4❄3 MayJune: 1.81 in precipitation 1.8 JunJuly: 3.79 in precipitation 3.8 JulAugust: 3.08 in precipitation 3.1 AugSeptember: 1.73 in precipitation, 0.6 in snowfall 1.7❄1 SepOctober: 1.73 in precipitation, 9.1 in snowfall 1.7❄9 OctNovember: 1.55 in precipitation, 13.4 in snowfall 1.6❄13 NovDecember: 1.21 in precipitation, 21.1 in snowfall 1.2❄21 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Rye 1sw, CO (4 mi away); precipitation: Rye 1sw, CO (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

1 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 81069

What planting zone is ZIP code 81069?

ZIP code 81069 (Rye, CO) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).

When is the last frost in Rye, CO?

The median last spring frost (32 °F) near 81069 is May 5; after May 20 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Rye 1sw station.

When is the first frost in Rye, CO?

The median first fall frost near 81069 is October 10, giving a median frost-free growing season of 156 days.

When should I plant tomatoes in 81069?

Start tomato seeds indoors around Mar 10 – Mar 24 and set transplants outside around May 12 – May 26, one to three weeks after the median last frost.

How much rain and snow does 81069 get?

About 25.4 inches of precipitation a year and 130 inches of snowfall (NOAA 1991–2020 normals, Rye 1sw station).

How hot do summers get in Rye, CO?

The average high peaks at 82 °F in July, with about 7 days a year at 90 °F or more.

What kind of soil does 81069 have?

The USDA soil survey maps Nunn at the center of ZIP 81069: stony loam, well drained, pH about 7.2 (neutral).

Did spring come early in Rye, CO in 2026?

Spring leaf-out near 81069 came on Feb 20 in 2026, 25 days earlier than the 1991–2020 average (Mar 17), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Rye, CO?

Intermediate onions: the longest day near 81069 is 14 h 48 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 81069 change?

Yes. The 2012 USDA map put 81069 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.