Zone 4b planting calendar

What to plant in November — zone 4b

Zone 4b averages its last spring frost around May 15 and its first fall frost around September 25. Everything below is timed from those two dates, so it stays useful whether you're planting for summer or for a fall harvest.

Last frost: May 15
First frost: September 25
Winter lows: -25 to -20 °F

A quiet month in zone 4b

November is a rest-and-plan month here. Use it to order seed, test your soil, repair beds, and map next season's rotation — then jump ahead to December.

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