Zone 2b planting calendar

What to plant in April: zone 2b

Zone 2b averages its last spring frost around May 31 and its first fall frost around August 25. Everything below is timed from those two dates, so it stays useful whether you're planting for summer or for a fall harvest.

These are zone-average dates. Check an area-level frost estimate from thirty years of nearby weather history and this calendar retimes itself.

Last frost: May 31

First frost: August 25

Winter lows: -45 to -40 °F

Zone 2b Almanac. What growers here actually recorded: sowing weeks, days to first pick, and yields.

Dormant care

Check season-extension geararound Apr 5
Patch row cover, cold frames and hoops now so a late freeze can't catch you unprepared.
Pre-sprout seed potatoesaround Apr 19
Chit potatoes in a bright, cool spot for 2 weeks. Sprouted pieces jump ahead once planted.

Garden care

Wake the bedsaround Apr 26
Turn in compost, cut down cover crops, and let the soil warm two weeks before the first sowing.

Plan & order

Order fall seedaround Apr 27
Fall brassicas and greens get sown in the heat of summer. Have the seed on hand before that window opens.

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