Zone 11b planting calendar

What to plant in August: 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.

A quiet month in zone 11b

August is a rest-and-plan month here. Use it to order seed, test your soil, repair beds, and map next season's rotation, then jump ahead to September.

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