Bellevue, NE planting zone & frost dates

Bellevue is in USDA hardiness zone 5b. The last spring frost usually comes around April 17 and the first fall frost around October 19, for a growing season of about 183 days.

USDA hardiness zone5bavg. extreme winter low -15°F to -10°F
Average last spring frostApril 1790% chance of no frost after May 1
Average first fall frostOctober 1910% chance of frost by October 4
Growing season183 daysfrost-free days in an average year

Planting calendar for Bellevue

Dates are counted from the average last spring frost (April 17) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.

CropWhen
TomatoesStart seeds indoors: Feb 20 – Mar 6
Transplant outdoors: Apr 24 – May 1
PeppersStart seeds indoors: Feb 6 – Feb 20
Transplant outdoors: May 1 – May 8
EggplantStart seeds indoors: Feb 6 – Feb 20
Transplant outdoors: May 1 – May 8
BroccoliStart seeds indoors: Feb 6 – Feb 20
Transplant outdoors: Mar 20 – Apr 3
CabbageStart seeds indoors: Feb 6 – Feb 20
Transplant outdoors: Mar 20 – Apr 3
Onions (sets)Plant outdoors: Mar 20 – Apr 3
PeasSow outdoors: Mar 6 – Mar 20
SpinachSow outdoors: Mar 6 – Mar 20
LettuceSow outdoors: Mar 20 – Apr 3
CarrotsSow outdoors: Mar 20 – Apr 3
PotatoesPlant outdoors: Mar 20 – Apr 3
BeansSow outdoors: Apr 24 – May 1
Sweet cornSow outdoors: Apr 24 – May 1
CucumbersSow outdoors: Apr 24 – May 1
Squash & zucchiniSow outdoors: Apr 24 – May 1
BasilStart seeds indoors: Mar 6 – Mar 20
Transplant outdoors: Apr 24 – May 1

Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Aug 24 (8 weeks before the average first fall frost on Oct 19).

Useful for zone 5b gardens

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Frost risk in detail

90% chance50% chance10% chance
Last 32°F frost in spring is afterApr 3Apr 17May 1
First 32°F frost in fall is beforeOct 30Oct 19Oct 4

How to read it: in spring there is a 10% chance of a frost after May 1, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 4. A hard freeze (28°F) usually ends around April 6.

Hardiness zone by ZIP code in Bellevue

Nearby cities

All cities in Nebraska → · Other zone 5b cities →

Questions

What growing zone is Bellevue, NE?

Bellevue is in USDA Plant Hardiness Zone 5b (average extreme winter low -15°F to -10°F), according to the USDA 2023 map. Some ZIP codes of the city fall in zone 6a.

When is the last frost in Bellevue?

The average last spring frost (32°F) in Bellevue is April 17. There is still a 10% chance of frost until May 1.

When can I plant tomatoes in Bellevue?

Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Apr 24 – May 1. Start seeds indoors 6–8 weeks before the last frost.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Springfield 7E, NE (USC00258088), 12.8 km (7.9 mi) from the city center, elevation 325 m, based on 11 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.