Canton, MI planting zone & frost dates

Canton is in USDA hardiness zone 6b. The last spring frost usually comes around April 24 and the first fall frost around October 24, for a growing season of about 179 days.

USDA hardiness zone6bavg. extreme winter low -5°F to 0°F

Average last spring frostApril 2490% chance of no frost after May 11

Average first fall frostOctober 2410% chance of frost by October 7

Growing season179 daysfrost-free days in an average year

Planting calendar for Canton

Dates are counted from the average last spring frost (April 24) 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.

Crop	When
Tomatoes	Start seeds indoors: Feb 27 – Mar 13 Transplant outdoors: May 1 – May 8
Peppers	Start seeds indoors: Feb 13 – Feb 27 Transplant outdoors: May 8 – May 15
Eggplant	Start seeds indoors: Feb 13 – Feb 27 Transplant outdoors: May 8 – May 15
Broccoli	Start seeds indoors: Feb 13 – Feb 27 Transplant outdoors: Mar 27 – Apr 10
Cabbage	Start seeds indoors: Feb 13 – Feb 27 Transplant outdoors: Mar 27 – Apr 10
Onions (sets)	Plant outdoors: Mar 27 – Apr 10
Peas	Sow outdoors: Mar 13 – Mar 27
Spinach	Sow outdoors: Mar 13 – Mar 27
Lettuce	Sow outdoors: Mar 27 – Apr 10
Carrots	Sow outdoors: Mar 27 – Apr 10
Potatoes	Plant outdoors: Mar 27 – Apr 10
Beans	Sow outdoors: May 1 – May 8
Sweet corn	Sow outdoors: May 1 – May 8
Cucumbers	Sow outdoors: May 1 – May 8
Squash & zucchini	Sow outdoors: May 1 – May 8
Basil	Start seeds indoors: Mar 13 – Mar 27 Transplant outdoors: May 1 – May 8

Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Aug 29 (8 weeks before the average first fall frost on Oct 24).

Frost risk in detail

	90% chance	50% chance	10% chance
Last 32°F frost in spring is after	Apr 10	Apr 24	May 11
First 32°F frost in fall is before	Nov 6	Oct 24	Oct 7

How to read it: in spring there is a 10% chance of a frost after May 11, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 7. A hard freeze (28°F) usually ends around April 13.

Hardiness zone by ZIP code in Canton

48187 zone 6b
48188 zone 6a

Nearby cities

Westland zone 6b, last frost Apr 20
Wayne zone 6b, last frost Apr 20
Romulus zone 6b, last frost Apr 20
Livonia zone 6b, last frost May 1
Ypsilanti zone 6a, last frost May 5
Garden City zone 6b, last frost May 1
Novi zone 6a, last frost May 1
Inkster zone 6b, last frost May 1

All cities in Michigan → · Other zone 6b cities →

Questions

What growing zone is Canton, MI?

Canton is in USDA Plant Hardiness Zone 6b (average extreme winter low -5°F to 0°F), according to the USDA 2023 map. Some ZIP codes of the city fall in zone 6a.

When is the last frost in Canton?

The average last spring frost (32°F) in Canton is April 24. There is still a 10% chance of frost until May 11.

When can I plant tomatoes in Canton?

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

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Detroit Willow Run Ap, MI (USW00014853), 9.4 km (5.8 mi) from the city center, elevation 237 m, based on 19 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.