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

Planting zone for 86052 — North Rim, AZ

ZIP code 86052 (North Rim, Coconino County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is June 3 and the first fall frost September 27.

Where ZIP 86052 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.

Zone6b−5 to 0 °F

Coldest night−20.6 to −17.8 °C

Last frostJun 3

First frostSep 27

2012 zone6b

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 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for North Rim, 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 North Rim, AZ

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostJune 3median — 50% chance of a later frost

Safe for tender plantsJune 19only 10% chance of frost after

First fall frostSeptember 27median — 10% chance by Sep 12

Growing season113 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 19 and returns around October 6.

From the NOAA station Bright Angel Rs, AZ — 7 miles away, elevation 7,999 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 86052

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Apr 22 – May 6

SpinachSow outdoors · Apr 22 – May 13

Broccoli, cabbageStart indoors · Mar 25 – Apr 8

Broccoli, cabbageTransplant · May 13 – May 27

Onion setsPlant outdoors · May 6 – May 20

PotatoesPlant outdoors · May 13 – May 27

LettuceSow outdoors · May 6 – May 20

Carrots, beetsSow outdoors · May 13 – May 27

TomatoesStart indoors · Apr 8 – Apr 22

TomatoesTransplant · Jun 10 – Jun 24

Peppers, eggplantStart indoors · Mar 25 – Apr 8

Peppers, eggplantTransplant · Jun 17 – Jul 1

BeansSow outdoors · Jun 10 – Jun 24

Sweet cornSow outdoors · Jun 10 – Jun 24

Cucumbers, squashSow outdoors · Jun 10 – Jun 24

Fall lettuce, spinachSow outdoors · Aug 2 – Aug 16

GarlicPlant cloves · Sep 13 – Oct 18

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jun 3) and first fall frost (Sep 27) 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 86052 came on Mar 19 — 29 days earlier than the 1991–2020 average (Apr 17).

average
Apr 172026
Mar 19

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 6b in Arizona

441 plants native to the lower 48 states, recorded in Arizona, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. 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 North Rim, AZ.

Soil in North Rim, AZ

The soil mapped at the center of ZIP 86052 is Plite family — loam, well drained.

TextureLoama good balance for most vegetables

pH6.4slightly acidic; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter3.5%moderate

Hydrologic groupAwater soaks in fast

Farmland classNot prime farmlandUSDA classification

Map unit: Plite-Canburn families complex, 2 to 8 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 86052; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in North Rim, AZ

Summer high77 °Faverage high, July

Winter low17 °Faverage low, December

Hot days1days a year at 90 °F or more

Freezing nights199nights a year at 32 °F or less

Growing degree days1,268base 50 °F — the season’s usable heat

Longest day14 h 38 mindaylight on June 21

Shortest day9 h 41 mindaylight on December 21

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

Precipitation24.2 inper year, rain and melted snow

Snowfall126 inper year; 138 days with snow on the ground

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Bright Angel Rs, AZ (7 mi away); precipitation: Bright Angel Rs, AZ (7 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.

860237a

Grand Canyon, AZ · 18 mi

860367b

Marble Canyon, AZ · 39 mi

Gray Mountain, AZ · 46 mi

Arizona planting zones →

Questions about 86052

What planting zone is ZIP code 86052?

ZIP code 86052 (North Rim, AZ) is in USDA hardiness zone 6b on the 2023 map: the coldest night of an average winter reaches −5 to 0 °F (−20.6 to −17.8 °C).

When is the last frost in North Rim, AZ?

The median last spring frost (32 °F) near 86052 is June 3; after June 19 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Bright Angel Rs station.

When is the first frost in North Rim, AZ?

The median first fall frost near 86052 is September 27, giving a median frost-free growing season of 113 days.

When should I plant tomatoes in 86052?

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

How much rain and snow does 86052 get?

About 24.2 inches of precipitation a year and 126 inches of snowfall (NOAA 1991–2020 normals, Bright Angel Rs station).

How hot do summers get in North Rim, AZ?

The average high peaks at 77 °F in July, with about 1 days a year at 90 °F or more.

What kind of soil does 86052 have?

The USDA soil survey maps Plite family at the center of ZIP 86052: loam, well drained, pH about 6.4 (slightly acidic).

Did spring come early in North Rim, AZ in 2026?

Spring leaf-out near 86052 came on Mar 19 in 2026, 29 days earlier than the 1991–2020 average (Apr 17), according to the USA National Phenology Network Spring Index.

What kind of onions grow in North Rim, AZ?

Intermediate onions: the longest day near 86052 is 14 h 38 min, so day-neutral types bulb best; long-day varieties may not bulb fully.