Zone 2b planting calendar

What to plant in August: 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.

Garden care

  • Scout for pests weeklyaround Aug 2

    Squash bugs, hornworms and cucumber beetles peak now: five minutes of hand-picking beats a rescue spray.

Plant to overwinter

  • Garlicaround Aug 11

    Cloves go in about two weeks before first frost. They root now, sleep, then bulb next summer.

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