Zone 1b planting calendar

What to plant in February: zone 1b

Zone 1b averages its last spring frost around June 15 and its first fall frost around August 15. 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: June 15
First frost: August 15
Winter lows: -55 to -50 °F
Zone 1b Almanac. What growers here actually recorded: sowing weeks, days to first pick, and yields.

Plan & order

  • Inventory and order seedaround Feb 23

    Sort what you already have, toss anything over 3 years old, and order early while varieties are in stock.

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