Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 85925 — Eagar, AZ

ZIP code 85925 (Eagar, Apache County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is June 5 and the first fall frost September 29.

Where ZIP 85925 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 frostJun 5

First frostSep 29

2012 zone6a

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 6a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Eagar, AZ…

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 Eagar, AZ

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostJune 5median — 50% chance of a later frost

Safe for tender plantsJune 20only 10% chance of frost after

First fall frostSeptember 29median — 10% chance by Sep 15

Growing season113 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 23 and returns around October 5.

From the NOAA station Greer, AZ — 6 miles away, elevation 8,275 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 85925

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Apr 24 – May 8

SpinachSow outdoors · Apr 24 – May 15

Broccoli, cabbageStart indoors · Mar 27 – Apr 10

Broccoli, cabbageTransplant · May 15 – May 29

Onion setsPlant outdoors · May 8 – May 22

PotatoesPlant outdoors · May 15 – May 29

LettuceSow outdoors · May 8 – May 22

Carrots, beetsSow outdoors · May 15 – May 29

TomatoesStart indoors · Apr 10 – Apr 24

TomatoesTransplant · Jun 12 – Jun 26

Peppers, eggplantStart indoors · Mar 27 – Apr 10

Peppers, eggplantTransplant · Jun 19 – Jul 3

BeansSow outdoors · Jun 12 – Jun 26

Sweet cornSow outdoors · Jun 12 – Jun 26

Cucumbers, squashSow outdoors · Jun 12 – Jun 26

Fall lettuce, spinachSow outdoors · Aug 4 – Aug 18

GarlicPlant cloves · Sep 15 – Oct 20

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jun 5) and first fall frost (Sep 29) 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 85925 came on Mar 23 — 28 days earlier than the 1991–2020 average (Apr 20).

average
Apr 202026
Mar 23

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 Arizona

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

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 Eagar, AZ.

Soil in Eagar, AZ

The soil mapped at the center of ZIP 85925 is Pachic Argiustolls — cobbly silt loam, well drained.

TextureCobbly silt loama good balance for most vegetables

pH5.8moderately acidic; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter2%moderate

Hydrologic groupCwater soaks in slowly

Farmland classNot prime farmlandUSDA classification

Map unit: Pachic Argiustolls, Typic Haplustalfs, and Lithic Haplustepts; cool mesic ustic mountains.

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 85925; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Eagar, AZ

Summer high76 °Faverage high, June

Winter low14 °Faverage low, January

Hot days0days a year at 90 °F or more

Freezing nights198nights a year at 32 °F or less

Growing degree days1,169base 50 °F — the season’s usable heat

Longest day14 h 25 mindaylight on June 21

Shortest day9 h 53 mindaylight on December 21

Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully

Precipitation19.3 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

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

Nearby ZIP codes

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

Springerville, AZ · 11 mi

Arizona planting zones →

Questions about 85925

What planting zone is ZIP code 85925?

ZIP code 85925 (Eagar, AZ) 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 Eagar, AZ?

The median last spring frost (32 °F) near 85925 is June 5; after June 20 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Greer station.

When is the first frost in Eagar, AZ?

The median first fall frost near 85925 is September 29, giving a median frost-free growing season of 113 days.

When should I plant tomatoes in 85925?

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

How much rain and snow does 85925 get?

About 19.3 inches of precipitation a year (NOAA 1991–2020 normals, Greer station).

How hot do summers get in Eagar, AZ?

The average high peaks at 76 °F in June, with about 0 days a year at 90 °F or more.

What kind of soil does 85925 have?

The USDA soil survey maps Pachic Argiustolls at the center of ZIP 85925: cobbly silt loam, well drained, pH about 5.8 (moderately acidic).

Did spring come early in Eagar, AZ in 2026?

Spring leaf-out near 85925 came on Mar 23 in 2026, 28 days earlier than the 1991–2020 average (Apr 20), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Eagar, AZ?

Intermediate onions: the longest day near 85925 is 14 h 25 min, so day-neutral types bulb best; long-day varieties may not bulb fully.