Zone 11b planting calendar

What to plant in March: zone 11b

Zone 11b averages its last spring frost around January 1 and its first fall frost around December 31. 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: January 1
First frost: December 31
Winter lows: 45 to 50 °F
Zone 11b Almanac. What growers here actually recorded: sowing weeks, days to first pick, and yields.

Succession sow

  • Winter squasharound Mar 5

    Sowing 3: replant every 21 days so one planting never has to feed you all season.

  • Beetaround Mar 12

    Sowing 3: replant every 21 days so one planting never has to feed you all season.

  • Carrotaround Mar 12

    Sowing 3: replant every 21 days so one planting never has to feed you all season.

  • Cucumberaround Mar 19

    Sowing 4: replant every 21 days so one planting never has to feed you all season.

  • Zucchiniaround Mar 19

    Sowing 4: replant every 21 days so one planting never has to feed you all season.

  • Basilaround Mar 19

    Sowing 4: replant every 21 days so one planting never has to feed you all season.

  • Winter squasharound Mar 26

    Sowing 4: replant every 21 days so one planting never has to feed you all season.

Garden care

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

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