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

Planting zone for 83832 — Genesee, ID

ZIP code 83832 (Genesee, Latah County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 6 and the first fall frost October 26.

Where ZIP 83832 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.

Zone7a0 to 5 °F
Coldest night−17.8 to −15 °C
Last frostApr 6
First frostOct 26
2012 zone6b

Was 6b 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 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Genesee, 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 Genesee, ID

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 6median — 50% chance of a later frost
Safe for tender plantsApril 26only 10% chance of frost after
First fall frostOctober 26median — 10% chance by Oct 10
Growing season200 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 15 and returns around November 8.

From the NOAA station Lewiston Nez Perce Co. Airport, ID — 13 miles away, elevation 1,437 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 83832

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 23 – Mar 9
SpinachSow outdoors · Feb 23 – Mar 16
Broccoli, cabbageStart indoors · Jan 26 – Feb 9
Broccoli, cabbageTransplant · Mar 16 – Mar 30
Onion setsPlant outdoors · Mar 9 – Mar 23
PotatoesPlant outdoors · Mar 16 – Mar 30
LettuceSow outdoors · Mar 9 – Mar 23
Carrots, beetsSow outdoors · Mar 16 – Mar 30
TomatoesStart indoors · Feb 9 – Feb 23
TomatoesTransplant · Apr 13 – Apr 27
Peppers, eggplantStart indoors · Jan 26 – Feb 9
Peppers, eggplantTransplant · Apr 20 – May 4
BeansSow outdoors · Apr 13 – Apr 27
Sweet cornSow outdoors · Apr 13 – Apr 27
Cucumbers, squashSow outdoors · Apr 13 – Apr 27
Fall lettuce, spinachSow outdoors · Aug 31 – Sep 14
GarlicPlant cloves · Oct 12 – Nov 16
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 6) and first fall frost (Oct 26) 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 83832 came on Mar 23 — 10 days earlier than the 1991–2020 average (Apr 2).

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 7a in Idaho

575 plants native to the lower 48 states, recorded in Idaho, and rated by the USDA to survive 0 °F or colder — the bottom of zone 7a. Each links to its USDA PLANTS profile.

Trees 30

Shrubs 101

Wildflowers & perennials 277

Grasses 155

Vines 1

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 Genesee, ID.

Soil in Genesee, ID

The soil mapped at the center of ZIP 83832 is Latahco — silt loam, somewhat poorly drained.

TextureSilt loama good balance for most vegetables
pH6.7neutral; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter5.5%high
Hydrologic groupC/Dslow when drained; wet otherwise
Farmland classPrime farmland if drainedUSDA classification

Map unit: Latahco silt 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 83832; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Genesee, ID

Summer high86 °Faverage high, August
Winter low22 °Faverage low, January
Hot days23days a year at 90 °F or more
Freezing nights139nights a year at 32 °F or less
Growing degree days1,648base 50 °F — the season’s usable heat
Longest day15 h 50 mindaylight on June 21
Shortest day8 h 34 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation21.1 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 37 °F, low 22 °F 37°22° JanFebruary: average high 42 °F, low 24 °F 42°24° FebMarch: average high 50 °F, low 28 °F 50°28° MarApril: average high 58 °F, low 32 °F 58°32° AprMay: average high 67 °F, low 38 °F 67°38° MayJune: average high 73 °F, low 42 °F 73°42° JunJuly: average high 84 °F, low 45 °F 84°45° JulAugust: average high 86 °F, low 45 °F 86°45° AugSeptember: average high 76 °F, low 40 °F 76°40° SepOctober: average high 61 °F, low 33 °F 61°33° OctNovember: average high 45 °F, low 27 °F 45°27° NovDecember: average high 36 °F, low 22 °F 36°22° Dec

Precipitation by month inches

0″1″2″3″January: 2.14 in precipitation 2.1 JanFebruary: 1.80 in precipitation 1.8 FebMarch: 2.37 in precipitation 2.4 MarApril: 2.38 in precipitation 2.4 AprMay: 2.28 in precipitation 2.3 MayJune: 1.76 in precipitation 1.8 JunJuly: 0.71 in precipitation 0.7 JulAugust: 0.64 in precipitation 0.6 AugSeptember: 0.84 in precipitation 0.8 SepOctober: 1.65 in precipitation 1.6 OctNovember: 2.23 in precipitation 2.2 NovDecember: 2.30 in precipitation 2.3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Moscow U Of I, ID (12 mi away); precipitation: Juliaetta 4.1 Sse, ID (11 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

Idaho planting zones →

Questions about 83832

What planting zone is ZIP code 83832?

ZIP code 83832 (Genesee, ID) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).

When is the last frost in Genesee, ID?

The median last spring frost (32 °F) near 83832 is April 6; after April 26 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Lewiston Nez Perce Co. Airport station.

When is the first frost in Genesee, ID?

The median first fall frost near 83832 is October 26, giving a median frost-free growing season of 200 days.

When should I plant tomatoes in 83832?

Start tomato seeds indoors around Feb 9 – Feb 23 and set transplants outside around Apr 13 – Apr 27, one to three weeks after the median last frost.

How much rain and snow does 83832 get?

About 21.1 inches of precipitation a year (NOAA 1991–2020 normals, Juliaetta 4.1 Sse station).

How hot do summers get in Genesee, ID?

The average high peaks at 86 °F in August, with about 23 days a year at 90 °F or more.

What kind of soil does 83832 have?

The USDA soil survey maps Latahco at the center of ZIP 83832: silt loam, somewhat poorly drained, pH about 6.7 (neutral).

Did spring come early in Genesee, ID in 2026?

Spring leaf-out near 83832 came on Mar 23 in 2026, 10 days earlier than the 1991–2020 average (Apr 2), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Genesee, ID?

Long-day onions: the longest day near 83832 is 15 h 50 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 83832 change?

Yes. The 2012 USDA map put 83832 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.