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

Planting zone for 83876 — Worley, ID

ZIP code 83876 (Worley, Kootenai County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is May 11 and the first fall frost October 5.

Where ZIP 83876 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 frostMay 11

First frostOct 5

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 Worley, ID…

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 Worley, ID

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMay 11median — 50% chance of a later frost

Safe for tender plantsJune 4only 10% chance of frost after

First fall frostOctober 5median — 10% chance by Sep 15

Growing season143 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 22 and returns around October 19.

From the NOAA station Plummer 3 Wsw, ID — 10 miles away, elevation 2,904 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 83876

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 30 – Apr 13

SpinachSow outdoors · Mar 30 – Apr 20

Broccoli, cabbageStart indoors · Mar 2 – Mar 16

Broccoli, cabbageTransplant · Apr 20 – May 4

Onion setsPlant outdoors · Apr 13 – Apr 27

PotatoesPlant outdoors · Apr 20 – May 4

LettuceSow outdoors · Apr 13 – Apr 27

Carrots, beetsSow outdoors · Apr 20 – May 4

TomatoesStart indoors · Mar 16 – Mar 30

TomatoesTransplant · May 18 – Jun 1

Peppers, eggplantStart indoors · Mar 2 – Mar 16

Peppers, eggplantTransplant · May 25 – Jun 8

BeansSow outdoors · May 18 – Jun 1

Sweet cornSow outdoors · May 18 – Jun 1

Cucumbers, squashSow outdoors · May 18 – Jun 1

Fall lettuce, spinachSow outdoors · Aug 10 – Aug 24

GarlicPlant cloves · Sep 21 – Oct 26

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 11) and first fall frost (Oct 5) 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 83876 came on Apr 1 — 7 days earlier than the 1991–2020 average (Apr 8).

average
Apr 82026
Apr 1

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 Idaho

570 plants native to the lower 48 states, recorded in Idaho, 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 Worley, ID.

Soil in Worley, ID

The soil mapped at the center of ZIP 83876 is Lacy — slightly decomposed plant material, well drained.

TextureSlightly decomposed plant materialtop layer

pH6.5neutral; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter75%high

Hydrologic groupDwater soaks in very slowly

Farmland classNot prime farmlandUSDA classification

Map unit: Lacy-Bobbitt association, 5 to 35 percent slopes, very stony.

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 83876; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Worley, ID

Summer high83 °Faverage high, August

Winter low23 °Faverage low, December

Hot days15days a year at 90 °F or more

Freezing nights158nights a year at 32 °F or less

Growing degree days1,748base 50 °F — the season’s usable heat

Longest day15 h 58 mindaylight on June 21

Shortest day8 h 27 mindaylight on December 21

Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)

Precipitation28.5 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: Plummer 3 Wsw, ID (10 mi away); precipitation: Plummer 3 Wsw, ID (10 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6b.

Fairfield, WA · 12 mi

990166b

Greenacres, WA · 13 mi

990196b

Liberty Lake, WA · 14 mi

990186b

Latah, WA · 15 mi

Idaho planting zones →

Questions about 83876

What planting zone is ZIP code 83876?

ZIP code 83876 (Worley, ID) 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 Worley, ID?

The median last spring frost (32 °F) near 83876 is May 11; after June 4 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Plummer 3 Wsw station.

When is the first frost in Worley, ID?

The median first fall frost near 83876 is October 5, giving a median frost-free growing season of 143 days.

When should I plant tomatoes in 83876?

Start tomato seeds indoors around Mar 16 – Mar 30 and set transplants outside around May 18 – Jun 1, one to three weeks after the median last frost.

How much rain and snow does 83876 get?

About 28.5 inches of precipitation a year (NOAA 1991–2020 normals, Plummer 3 Wsw station).

How hot do summers get in Worley, ID?

The average high peaks at 83 °F in August, with about 15 days a year at 90 °F or more.

What kind of soil does 83876 have?

The USDA soil survey maps Lacy at the center of ZIP 83876: slightly decomposed plant material, well drained, pH about 6.5 (neutral).

Did spring come early in Worley, ID in 2026?

Spring leaf-out near 83876 came on Apr 1 in 2026, 7 days earlier than the 1991–2020 average (Apr 8), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Worley, ID?

Long-day onions: the longest day near 83876 is 15 h 58 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).