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

Planting zone for 80759 — Yuma, CO

ZIP code 80759 (Yuma, Yuma County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is May 1 and the first fall frost October 12.

Where ZIP 80759 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 1
First frostOct 12
2012 zone5b

Same zone as on the 2012 map. 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 Yuma, 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 Yuma, CO

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 1median — 50% chance of a later frost
Safe for tender plantsMay 13only 10% chance of frost after
First fall frostOctober 12median — 10% chance by Sep 30
Growing season164 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 19 and returns around October 20.

From the NOAA station Yuma, CO — 2 miles away, elevation 4,134 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 80759

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 20 – Apr 3
SpinachSow outdoors · Mar 20 – Apr 10
Broccoli, cabbageStart indoors · Feb 20 – Mar 6
Broccoli, cabbageTransplant · Apr 10 – Apr 24
Onion setsPlant outdoors · Apr 3 – Apr 17
PotatoesPlant outdoors · Apr 10 – Apr 24
LettuceSow outdoors · Apr 3 – Apr 17
Carrots, beetsSow outdoors · Apr 10 – Apr 24
TomatoesStart indoors · Mar 6 – Mar 20
TomatoesTransplant · May 8 – May 22
Peppers, eggplantStart indoors · Feb 20 – Mar 6
Peppers, eggplantTransplant · May 15 – May 29
BeansSow outdoors · May 8 – May 22
Sweet cornSow outdoors · May 8 – May 22
Cucumbers, squashSow outdoors · May 8 – May 22
Fall lettuce, spinachSow outdoors · Aug 17 – Aug 31
GarlicPlant cloves · Sep 28 – Nov 2
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 1) and first fall frost (Oct 12) 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 80759 came on Feb 27 — 23 days earlier than the 1991–2020 average (Mar 22).

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 5b in Colorado

546 plants native to the lower 48 states, recorded in Colorado, and rated by the USDA to survive −15 °F or colder — the bottom of zone 5b. Each links to its USDA PLANTS profile.

Trees 27

Shrubs 98

Wildflowers & perennials 246

Grasses 163

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 Yuma, CO.

Soil in Yuma, CO

The soil mapped at the center of ZIP 80759 is Haxtun — sandy loam, well drained.

TextureSandy loamdrains and warms fast; dries out and needs more feeding
pH7.0neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2.8%moderate
Hydrologic groupCwater soaks in slowly
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Haxtun sandy loam, 0 to 3 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 80759; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Yuma, CO

Summer high92 °Faverage high, July
Winter low17 °Faverage low, January
Hot days59days a year at 90 °F or more
Freezing nights155nights a year at 32 °F or less
Growing degree days3,338base 50 °F — the season’s usable heat
Longest day15 h 02 mindaylight on June 21
Shortest day9 h 19 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation18 inper year, rain and melted snow
Snowfall23 inper year

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 43 °F, low 17 °F 43°17° JanFebruary: average high 45 °F, low 19 °F 45°19° FebMarch: average high 56 °F, low 27 °F 56°27° MarApril: average high 63 °F, low 35 °F 63°35° AprMay: average high 73 °F, low 46 °F 73°46° MayJune: average high 86 °F, low 56 °F 86°56° JunJuly: average high 92 °F, low 62 °F 92°62° JulAugust: average high 89 °F, low 60 °F 89°60° AugSeptember: average high 81 °F, low 50 °F 81°50° SepOctober: average high 66 °F, low 37 °F 66°37° OctNovember: average high 53 °F, low 26 °F 53°26° NovDecember: average high 43 °F, low 18 °F 43°18° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″January: 0.29 in precipitation, 3.9 in snowfall 0.3❄4 JanFebruary: 0.44 in precipitation, 3.1 in snowfall 0.4❄3 FebMarch: 0.81 in precipitation, 3.7 in snowfall 0.8❄4 MarApril: 1.64 in precipitation, 1.9 in snowfall 1.6❄2 AprMay: 2.94 in precipitation, 0.1 in snowfall 2.9 MayJune: 2.49 in precipitation 2.5 JunJuly: 3.07 in precipitation 3.1 JulAugust: 2.64 in precipitation 2.6 AugSeptember: 1.44 in precipitation, 0.2 in snowfall 1.4 SepOctober: 1.25 in precipitation, 1.4 in snowfall 1.3❄1 OctNovember: 0.50 in precipitation, 2.8 in snowfall 0.5❄3 NovDecember: 0.45 in precipitation, 5.7 in snowfall 0.5❄6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Yuma, CO (2 mi away); precipitation: Yuma, CO (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 5b.

Colorado planting zones →

Questions about 80759

What planting zone is ZIP code 80759?

ZIP code 80759 (Yuma, 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 Yuma, CO?

The median last spring frost (32 °F) near 80759 is May 1; after May 13 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Yuma station.

When is the first frost in Yuma, CO?

The median first fall frost near 80759 is October 12, giving a median frost-free growing season of 164 days.

When should I plant tomatoes in 80759?

Start tomato seeds indoors around Mar 6 – Mar 20 and set transplants outside around May 8 – May 22, one to three weeks after the median last frost.

How much rain and snow does 80759 get?

About 18 inches of precipitation a year and 23 inches of snowfall (NOAA 1991–2020 normals, Yuma station).

How hot do summers get in Yuma, CO?

The average high peaks at 92 °F in July, with about 59 days a year at 90 °F or more.

What kind of soil does 80759 have?

The USDA soil survey maps Haxtun at the center of ZIP 80759: sandy loam, well drained, pH about 7.0 (neutral).

Did spring come early in Yuma, CO in 2026?

Spring leaf-out near 80759 came on Feb 27 in 2026, 23 days earlier than the 1991–2020 average (Mar 22), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Yuma, CO?

Long-day onions: the longest day near 80759 is 15 h 02 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).