Frost dates in Sparta, MI

The average last spring frost in Sparta is around May 10 and the first fall frost is around October 18. That gives Sparta an average growing season of about 161 days.

Last spring frost

Early (10% chance after)March 31
Average (50%)May 10
Late (90%)May 20

First fall frost

Early (10%)September 23
Average (50%)October 18
Late (90% chance before)November 8

See the Sparta planting calendar →