Zone 9b planting calendar

What to plant in May: zone 9b

A rule-of-thumb starting point for zone 9b: last spring frost around February 15, first fall frost around December 15. Zones are set by winter lows, not frost dates, so two gardens in the same zone can be weeks apart. Measure your ZIP below for dates from your area's own 30-year record.

These are zone-average dates. Check an area-level frost estimate from thirty years of nearby weather history and this calendar retimes itself.
Typical last frost: February 15
Typical first frost: December 15
Winter lows: 25 to 30 °F
Zone 9b Almanac. What growers here actually recorded: sowing weeks, days to first pick, and yields.

Succession sow

  • Cucumberaround May 3

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

  • Zucchiniaround May 3

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

  • Basilaround May 3

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

  • Winter squasharound May 10

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

  • Beetaround May 17

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

  • Carrotaround May 17

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

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