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

Planting zone for 83836 — Hope, ID

ZIP code 83836 (Hope, Bonner County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is May 9 and the first fall frost October 8.

Where ZIP 83836 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 9

First frostOct 8

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 Hope, 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 Hope, ID

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMay 9median — 50% chance of a later frost

Safe for tender plantsMay 25only 10% chance of frost after

First fall frostOctober 8median — 10% chance by Sep 25

Growing season153 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 22 and returns around October 25.

From the NOAA station Cabinet Gorge, ID — 12 miles away, elevation 2,172 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 83836

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 28 – Apr 11

SpinachSow outdoors · Mar 28 – Apr 18

Broccoli, cabbageStart indoors · Feb 28 – Mar 14

Broccoli, cabbageTransplant · Apr 18 – May 2

Onion setsPlant outdoors · Apr 11 – Apr 25

PotatoesPlant outdoors · Apr 18 – May 2

LettuceSow outdoors · Apr 11 – Apr 25

Carrots, beetsSow outdoors · Apr 18 – May 2

TomatoesStart indoors · Mar 14 – Mar 28

TomatoesTransplant · May 16 – May 30

Peppers, eggplantStart indoors · Feb 28 – Mar 14

Peppers, eggplantTransplant · May 23 – Jun 6

BeansSow outdoors · May 16 – May 30

Sweet cornSow outdoors · May 16 – May 30

Cucumbers, squashSow outdoors · May 16 – May 30

Fall lettuce, spinachSow outdoors · Aug 13 – Aug 27

GarlicPlant cloves · Sep 24 – Oct 29

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 9) and first fall frost (Oct 8) 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 83836 came on Apr 27 — 10 days earlier than the 1991–2020 average (May 7).

average
May 72026
Apr 27

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 Hope, ID.

Soil in Hope, ID

The soil mapped at the center of ZIP 83836 is McCay — slightly decomposed plant material, moderately well drained.

TextureSlightly decomposed plant materialtop layer

pH5.5moderately acidic; most vegetables like 6.0–7.0

DrainageModerately well drainednatural drainage class

Organic matter75%high

Hydrologic groupCwater soaks in slowly

Farmland classNot prime farmlandUSDA classification

Map unit: McCay-Typic Haplocryands-Frizzelcreek families, complex, glaciated mountain slopes, belt geology.

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 83836; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Hope, ID

Summer high81 °Faverage high, July

Winter low24 °Faverage low, January

Hot days11days a year at 90 °F or more

Freezing nights149nights a year at 32 °F or less

Growing degree days1,665base 50 °F — the season’s usable heat

Longest day16 h 05 mindaylight on June 21

Shortest day8 h 20 mindaylight on December 21

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

Precipitation87.5 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: Cabinet Gorge, ID (12 mi away); precipitation: Bear Mountain, ID (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

838116b

Clark Fork, ID · 9 mi

Sandpoint, ID · 19 mi

598446b

Heron, MT · 20 mi

Idaho planting zones →

Questions about 83836

What planting zone is ZIP code 83836?

ZIP code 83836 (Hope, 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 Hope, ID?

The median last spring frost (32 °F) near 83836 is May 9; after May 25 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Cabinet Gorge station.

When is the first frost in Hope, ID?

The median first fall frost near 83836 is October 8, giving a median frost-free growing season of 153 days.

When should I plant tomatoes in 83836?

Start tomato seeds indoors around Mar 14 – Mar 28 and set transplants outside around May 16 – May 30, one to three weeks after the median last frost.

How much rain and snow does 83836 get?

About 87.5 inches of precipitation a year (NOAA 1991–2020 normals, Bear Mountain station).

How hot do summers get in Hope, ID?

The average high peaks at 81 °F in July, with about 11 days a year at 90 °F or more.

What kind of soil does 83836 have?

The USDA soil survey maps McCay at the center of ZIP 83836: slightly decomposed plant material, moderately well drained, pH about 5.5 (moderately acidic).

Did spring come early in Hope, ID in 2026?

Spring leaf-out near 83836 came on Apr 27 in 2026, 10 days earlier than the 1991–2020 average (May 7), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Hope, ID?

Long-day onions: the longest day near 83836 is 16 h 05 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).