Escanaba, MI planting zone & frost dates

Escanaba is in USDA hardiness zone 5a. The last spring frost usually comes around May 13 and the first fall frost around October 7, for a growing season of about 147 days.

USDA hardiness zone5aavg. extreme winter low -20°F to -15°F
Average last spring frostMay 1390% chance of no frost after May 31
Average first fall frostOctober 710% chance of frost by September 26
Growing season147 daysfrost-free days in an average year

Planting calendar for Escanaba

Dates are counted from the average last spring frost (May 13) 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: Mar 18 – Apr 1
Transplant outdoors: May 20 – May 27
PeppersStart seeds indoors: Mar 4 – Mar 18
Transplant outdoors: May 27 – Jun 3
EggplantStart seeds indoors: Mar 4 – Mar 18
Transplant outdoors: May 27 – Jun 3
BroccoliStart seeds indoors: Mar 4 – Mar 18
Transplant outdoors: Apr 15 – Apr 29
CabbageStart seeds indoors: Mar 4 – Mar 18
Transplant outdoors: Apr 15 – Apr 29
Onions (sets)Plant outdoors: Apr 15 – Apr 29
PeasSow outdoors: Apr 1 – Apr 15
SpinachSow outdoors: Apr 1 – Apr 15
LettuceSow outdoors: Apr 15 – Apr 29
CarrotsSow outdoors: Apr 15 – Apr 29
PotatoesPlant outdoors: Apr 15 – Apr 29
BeansSow outdoors: May 20 – May 27
Sweet cornSow outdoors: May 20 – May 27
CucumbersSow outdoors: May 20 – May 27
Squash & zucchiniSow outdoors: May 20 – May 27
BasilStart seeds indoors: Apr 1 – Apr 15
Transplant outdoors: May 20 – May 27

Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Aug 12 (8 weeks before the average first fall frost on Oct 7).

Frost risk in detail

90% chance50% chance10% chance
Last 32°F frost in spring is afterApr 30May 13May 31
First 32°F frost in fall is beforeOct 20Oct 7Sep 26

How to read it: in spring there is a 10% chance of a frost after May 31, so that is a safe date for tender plants. In fall there is a 10% chance of frost before September 26. A hard freeze (28°F) usually ends around April 30.

Hardiness zone by ZIP code in Escanaba

Nearby cities

All cities in Michigan → · Other zone 5a cities →

Questions

What growing zone is Escanaba, MI?

Escanaba is in USDA Plant Hardiness Zone 5a (average extreme winter low -20°F to -15°F), according to the USDA 2023 map.

When is the last frost in Escanaba?

The average last spring frost (32°F) in Escanaba is May 13. There is still a 10% chance of frost until May 31.

When can I plant tomatoes in Escanaba?

Transplant tomatoes outdoors 1–2 weeks after the average last frost: around May 20 – May 27. Start seeds indoors 6–8 weeks before the last frost.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Escanaba, MI (USW00014824), 3.8 km (2.4 mi) from the city center, elevation 180 m, based on 14 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.