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Bellevue, NE Planting Calendar & Frost Dates

USDA hardiness zone 5b · ZIP 68005 · elevation 299′ · NOAA & USDA data

Bellevue is in USDA hardiness zone 5b (winters can dip to -15 to -10°F), with a growing season of about 183 days between the average last spring frost (April 17) and first fall frost (October 19). The warmest month is July (avg high 86.9°F); the coldest is January (avg low 12.2°F). It averages 34.8″ of precipitation a year and 23.7″ of snow, mostly mid-winter. Start cool-season crops several weeks before the last frost; wait until after it for tomatoes, peppers and other tender crops.

Hardiness zone
5b
min temp -15 to -10°F
Last spring frost
April 17
avg (50% prob, 32°F)
First fall frost
October 19
avg (50% prob, 32°F)
Growing season
183 days
frost-free window
Warmest month
July
avg high 86.9°F

Month-by-month typical weather in Bellevue

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Glenwood 3sw, IA (11 mi away). Temperatures °F, precipitation & snow in inches.

MonthAvg highAvg lowMeanPrecip (in)Snow (in)
January 33 12.2 22.6 0.7 8.2
February 38.2 16.4 27.3 1 7
March 51.5 27.5 39.5 2 3.4
April 63.9 38 50.9 3.7 0.4
May 74.2 50.2 62.2 5.2 0
June 83.4 61.2 72.3 6 0
July 86.9 64.7 75.8 4.3 0
August 85.1 62.1 73.6 3.8 0
September 79.4 52.7 66.1 3.3 0
October 66.6 39.9 53.3 2.3 0
November 50.6 27.7 39.2 1.3 1.3
December 37.6 17.5 27.6 1.2 3.4

What to plant when in Bellevue

CropSeasonWhat to do & when
TomatoeswarmStart seeds indoors: March 6 · Transplant out: April 24
PepperswarmStart seeds indoors: February 20 · Transplant out: May 1
CucumberswarmDirect sow: April 24
Zucchini / squashwarmDirect sow: April 24
Bush beanswarmDirect sow: April 24
Sweet cornwarmDirect sow: April 24
BasilwarmTransplant out: April 24
PeascoolSow (spring): March 13 · Sow (fall): August 24
SpinachcoolSow (spring): March 6 · Sow (fall): August 24
LettucecoolSow (spring): March 20 · Sow (fall): August 24
KalecoolTransplant (spring): March 27 · Sow (fall): August 10
BroccolicoolTransplant (spring): April 3
CarrotscoolSow (spring): March 27 · Sow (fall): August 10
OnionscoolTransplant (spring): March 20
PotatoescoolPlant seed potatoes: April 3
RadishescoolSow (spring): March 20 · Sow (fall): September 7

Dates are computed from Bellevue's average frost dates using standard cool-/warm-season timing. They're a starting point — a cold spring, a warm microclimate, or a fast-maturing variety can shift them by a week or two.

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Gear that helps you plant on time

Some links below are Amazon affiliate links (tag theboringthin-20). If you buy through them we may earn a small commission at no extra cost to you — it keeps this almanac free. We only list generic, genuinely-useful categories.

Soil thermometer →Know when the ground is warm enough to sow — the honest signal, not the calendar.Seed-starting trays + dome →Start tomatoes & peppers indoors on the schedule below.Seedling heat mat →Warms the soil for faster, more even germination indoors.Floating row cover / frost cloth →Buys you 4–8°F to beat an early or late frost.Raised garden bed kit →Warms and drains faster in spring than in-ground soil.Garden gloves →Basic kit for transplant day.

Nearby cities in Nebraska

Omaha, NELincoln, NEGrand Island, NE

Sources & method. Hardiness zone: 2023 USDA Plant Hardiness Zone Map (PRISM Climate Group, Oregon State University). Frost dates & growing season: NOAA/NCEI 1991–2020 U.S. Climate Normals, nearest station with published freeze normals — Springfield 7e, NE, 8 mi (confidence: high). Monthly weather normals: Glenwood 3sw, IA, 11 mi (confidence: high). ZIP centroid from U.S. Census 2023 ZCTA data. Frost dates are the 50%-probability date — half of years frost occurs outside the stated date. Nothing here is invented; where the nearest station is far, we say so. Last updated 2026-07-22.