January · Midwinter

What to sow in January in Boston

2 crops are in their window this month in Boston — timed to your local frost dates.

Last frost≈ 18 Apr
First frost≈ 31 Oct
Frost-free daysFrom 18 Apr
January averages25°–38°F

Vegetables

2 in season
Celeriac
Start indoors · sow indoors early — celeriac takes months to bulk up
Opens 24 Jan
Celery
Start indoors · keep soil consistently moist for tender, mild stalks
Opens 24 Jan

Herbs · nothing to sow this month

Fruit · nothing to sow this month