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

Planting zone for 68801 — Grand Island, NE

ZIP code 68801 (Grand Island, Hall County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is April 23 and the first fall frost October 15.

Where ZIP 68801 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.

Zone5b−15 to −10 °F
Coldest night−26.1 to −23.3 °C
Last frostApr 23
First frostOct 15
2012 zone5b

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 5b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Grand Island, NE…

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 Grand Island, NE

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 23median — 50% chance of a later frost
Safe for tender plantsMay 6only 10% chance of frost after
First fall frostOctober 15median — 10% chance by Sep 29
Growing season174 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 12 and returns around October 23.

From the NOAA station Grand Island Airport, NE — within 1 mile, elevation 1,841 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 68801

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 12 – Mar 26
SpinachSow outdoors · Mar 12 – Apr 2
Broccoli, cabbageStart indoors · Feb 12 – Feb 26
Broccoli, cabbageTransplant · Apr 2 – Apr 16
Onion setsPlant outdoors · Mar 26 – Apr 9
PotatoesPlant outdoors · Apr 2 – Apr 16
LettuceSow outdoors · Mar 26 – Apr 9
Carrots, beetsSow outdoors · Apr 2 – Apr 16
TomatoesStart indoors · Feb 26 – Mar 12
TomatoesTransplant · Apr 30 – May 14
Peppers, eggplantStart indoors · Feb 12 – Feb 26
Peppers, eggplantTransplant · May 7 – May 21
BeansSow outdoors · Apr 30 – May 14
Sweet cornSow outdoors · Apr 30 – May 14
Cucumbers, squashSow outdoors · Apr 30 – May 14
Fall lettuce, spinachSow outdoors · Aug 20 – Sep 3
GarlicPlant cloves · Oct 1 – Nov 5
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 23) and first fall frost (Oct 15) 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 68801 came on Mar 10 — 19 days earlier than the 1991–2020 average (Mar 29).

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 5b in Nebraska

420 plants native to the lower 48 states, recorded in Nebraska, and rated by the USDA to survive −15 °F or colder — the bottom of zone 5b. Each links to its USDA PLANTS profile.

Trees 31

Shrubs 55

Wildflowers & perennials 190

Grasses 130

Vines 7

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 Grand Island, NE.

Soil in Grand Island, NE

The soil mapped at the center of ZIP 68801 is Lamo — silt loam, poorly drained.

TextureSilt loama good balance for most vegetables
pH7.6slightly alkaline; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter3%moderate
Hydrologic groupCwater soaks in slowly
Farmland classPrime farmland if drainedUSDA classification

Map unit: Lamo silt loam, sand substratum, 0 to 1 percent slope.

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 68801; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Grand Island, NE

Summer high88 °Faverage high, July
Winter low16 °Faverage low, January
Hot days36days a year at 90 °F or more
Freezing nights145nights a year at 32 °F or less
Growing degree days3,550base 50 °F — the season’s usable heat
Longest day15 h 07 mindaylight on June 21
Shortest day9 h 14 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation26.6 inper year, rain and melted snow
Snowfall28 inper year; 38 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 36 °F, low 16 °F 36°16° JanFebruary: average high 40 °F, low 19 °F 40°19° FebMarch: average high 53 °F, low 29 °F 53°29° MarApril: average high 63 °F, low 39 °F 63°39° AprMay: average high 73 °F, low 51 °F 73°51° MayJune: average high 84 °F, low 61 °F 84°61° JunJuly: average high 88 °F, low 66 °F 88°66° JulAugust: average high 86 °F, low 64 °F 86°64° AugSeptember: average high 79 °F, low 54 °F 79°54° SepOctober: average high 66 °F, low 41 °F 66°41° OctNovember: average high 51 °F, low 28 °F 51°28° NovDecember: average high 39 °F, low 19 °F 39°19° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 0.61 in precipitation, 6.8 in snowfall 0.6❄7 JanFebruary: 0.74 in precipitation, 7.3 in snowfall 0.7❄7 FebMarch: 1.39 in precipitation, 3.8 in snowfall 1.4❄4 MarApril: 2.52 in precipitation, 1.6 in snowfall 2.5❄2 AprMay: 4.70 in precipitation 4.7 MayJune: 4.01 in precipitation 4.0 JunJuly: 3.51 in precipitation 3.5 JulAugust: 3.20 in precipitation 3.2 AugSeptember: 2.00 in precipitation, 0.1 in snowfall 2.0 SepOctober: 1.99 in precipitation, 1.1 in snowfall 2.0❄1 OctNovember: 1.10 in precipitation, 2.3 in snowfall 1.1❄2 NovDecember: 0.84 in precipitation, 4.7 in snowfall 0.8❄5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Grand Island Airport, NE (within 1 mile); precipitation: Grand Island Airport, NE (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 5b.

All 3 ZIP codes in Grand Island → · Nebraska planting zones →

Questions about 68801

What planting zone is ZIP code 68801?

ZIP code 68801 (Grand Island, NE) is in USDA hardiness zone 5b on the 2023 map: the coldest night of an average winter reaches −15 to −10 °F (−26.1 to −23.3 °C).

When is the last frost in Grand Island, NE?

The median last spring frost (32 °F) near 68801 is April 23; after May 6 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Grand Island Airport station.

When is the first frost in Grand Island, NE?

The median first fall frost near 68801 is October 15, giving a median frost-free growing season of 174 days.

When should I plant tomatoes in 68801?

Start tomato seeds indoors around Feb 26 – Mar 12 and set transplants outside around Apr 30 – May 14, one to three weeks after the median last frost.

How much rain and snow does 68801 get?

About 26.6 inches of precipitation a year and 28 inches of snowfall (NOAA 1991–2020 normals, Grand Island Airport station).

How hot do summers get in Grand Island, NE?

The average high peaks at 88 °F in July, with about 36 days a year at 90 °F or more.

What kind of soil does 68801 have?

The USDA soil survey maps Lamo at the center of ZIP 68801: silt loam, poorly drained, pH about 7.6 (slightly alkaline).

Did spring come early in Grand Island, NE in 2026?

Spring leaf-out near 68801 came on Mar 10 in 2026, 19 days earlier than the 1991–2020 average (Mar 29), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Grand Island, NE?

Long-day onions: the longest day near 68801 is 15 h 07 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).