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

Planting zone for 83714 — Garden City, ID

ZIP code 83714 (Garden City, Ada County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is May 17 and the first fall frost October 12.

Where ZIP 83714 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 frostMay 17
First frostOct 12
2012 zone7a

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 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Garden City, 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 Garden City, ID

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 17median — 50% chance of a later frost
Safe for tender plantsJune 10only 10% chance of frost after
First fall frostOctober 12median — 10% chance by Sep 27
Growing season147 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 27 and returns around October 24.

From the NOAA station Boise 7 N, ID — 4 miles away, elevation 3,885 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 83714

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 5 – Apr 19
SpinachSow outdoors · Apr 5 – Apr 26
Broccoli, cabbageStart indoors · Mar 8 – Mar 22
Broccoli, cabbageTransplant · Apr 26 – May 10
Onion setsPlant outdoors · Apr 19 – May 3
PotatoesPlant outdoors · Apr 26 – May 10
LettuceSow outdoors · Apr 19 – May 3
Carrots, beetsSow outdoors · Apr 26 – May 10
TomatoesStart indoors · Mar 22 – Apr 5
TomatoesTransplant · May 24 – Jun 7
Peppers, eggplantStart indoors · Mar 8 – Mar 22
Peppers, eggplantTransplant · May 31 – Jun 14
BeansSow outdoors · May 24 – Jun 7
Sweet cornSow outdoors · May 24 – Jun 7
Cucumbers, squashSow outdoors · May 24 – Jun 7
Fall lettuce, spinachSow outdoors · Aug 17 – Aug 31
GarlicPlant cloves · Sep 28 – Nov 2
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 17) and first fall frost (Oct 12) 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 83714 came on Mar 8 — 15 days earlier than the 1991–2020 average (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 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

balsam poplar80 ft · blooms late spring · high shade tolerance · to −79 °Fblack locust60 ft · blooms spring · high shade tolerance · to −37 °Fblue spruce100 ft · blooms late spring · medium shade tolerance · to −38 °Fboxelder60 ft · blooms early spring · low shade tolerance · to −46 °FDouglas-fir200 ft · blooms mid spring · medium shade tolerance · to −33 °FEngelmann spruce120 ft · blooms late spring · low shade tolerance · to −50 °F

Shrubs 101

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °Falderleaf mountain mahogany15 ft · blooms late spring · medium shade tolerance · to −41 °Falpine laurel1 ft · blooms late spring · low shade tolerance · to −28 °Fantelope bitterbrush6 ft · blooms early spring · medium shade tolerance · to −36 °FBarclay's willow15 ft · high shade tolerance · to −43 °Fbeaked hazelnut15 ft · blooms early spring · low shade tolerance · to −47 °F

Wildflowers & perennials 277

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine bistort1 ft · blooms mid spring · high shade tolerance · to −38 °Falpine mountainsorrel1 ft · blooms mid summer · medium shade tolerance · to −43 °FAmerican alpine speedwell1 ft · blooms summer · medium shade tolerance · to −28 °FAmerican bistort1.5 ft · blooms mid spring · high shade tolerance · to −38 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °F

Grasses 155

Alaska oniongrass3 ft · blooms mid spring · low shade tolerance · to −33 °Falkali cordgrass3 ft · blooms late summer · high shade tolerance · to −38 °Falkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °FAlpine Meadow-Foxtail0.5 ft · blooms mid spring · medium shade tolerance · to −33 °Falpine timothy1.4 ft · blooms late spring · medium shade tolerance · to −43 °Fanalogue sedge1.5 ft · blooms late spring · medium shade tolerance · to −38 °F

Vines 1

western white clematis1 ft · blooms mid summer · medium shade tolerance · to −38 °F

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 Garden City, ID.

Soil in Garden City, ID

The center of ZIP 83714 is mapped as Pits and Dumps, fine earth: built-over ground without natural soil data. Garden soil here is usually imported or disturbed — test before you plant.

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 83714; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Garden City, ID

Summer high88 °Faverage high, July
Winter low23 °Faverage low, December
Hot days29days a year at 90 °F or more
Freezing nights125nights a year at 32 °F or less
Growing degree days2,549base 50 °F — the season’s usable heat
Longest day15 h 27 mindaylight on June 21
Shortest day8 h 55 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation14.3 inper year, rain and melted snow
Snowfall18 inper year; 28 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 37 °F, low 24 °F 37°24° JanFebruary: average high 43 °F, low 27 °F 43°27° FebMarch: average high 51 °F, low 32 °F 51°32° MarApril: average high 58 °F, low 36 °F 58°36° AprMay: average high 68 °F, low 43 °F 68°43° MayJune: average high 77 °F, low 49 °F 77°49° JunJuly: average high 88 °F, low 58 °F 88°58° JulAugust: average high 86 °F, low 58 °F 86°58° AugSeptember: average high 76 °F, low 50 °F 76°50° SepOctober: average high 61 °F, low 40 °F 61°40° OctNovember: average high 46 °F, low 30 °F 46°30° NovDecember: average high 37 °F, low 23 °F 37°23° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″January: 1.84 in precipitation, 5 in snowfall 1.8❄5 JanFebruary: 1.24 in precipitation, 3.6 in snowfall 1.2❄4 FebMarch: 1.67 in precipitation, 0.8 in snowfall 1.7❄1 MarApril: 1.44 in precipitation 1.4 AprMay: 1.66 in precipitation 1.7 MayJune: 1.04 in precipitation 1.0 JunJuly: 0.28 in precipitation 0.3 JulAugust: 0.27 in precipitation 0.3 AugSeptember: 0.43 in precipitation 0.4 SepOctober: 0.94 in precipitation 0.9 OctNovember: 1.40 in precipitation, 1.9 in snowfall 1.4❄2 NovDecember: 2.12 in precipitation, 7 in snowfall 2.1❄7 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Boise 7 N, ID (4 mi away); precipitation: Boise 5.3 Nw, ID (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7a.

837037a
Boise, ID · 3 mi
837047a
Boise, ID · 6 mi
837137a
Boise, ID · 6 mi
837017a
Boise, ID · 7 mi
837027a
Boise, ID · 7 mi
837207a
Boise, ID · 7 mi
837247a
Boise, ID · 7 mi
837077a
Boise, ID · 7 mi

Idaho planting zones →

Questions about 83714

What planting zone is ZIP code 83714?

ZIP code 83714 (Garden City, 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 Garden City, ID?

The median last spring frost (32 °F) near 83714 is May 17; after June 10 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Boise 7 N station.

When is the first frost in Garden City, ID?

The median first fall frost near 83714 is October 12, giving a median frost-free growing season of 147 days.

When should I plant tomatoes in 83714?

Start tomato seeds indoors around Mar 22 – Apr 5 and set transplants outside around May 24 – Jun 7, one to three weeks after the median last frost.

How much rain and snow does 83714 get?

About 14.3 inches of precipitation a year and 18 inches of snowfall (NOAA 1991–2020 normals, Boise 5.3 Nw station).

How hot do summers get in Garden City, ID?

The average high peaks at 88 °F in July, with about 29 days a year at 90 °F or more.

Did spring come early in Garden City, ID in 2026?

Spring leaf-out near 83714 came on Mar 8 in 2026, 15 days earlier than the 1991–2020 average (Mar 23), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Garden City, ID?

Long-day onions: the longest day near 83714 is 15 h 27 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).