Zone 11a planting calendar
What to plant in August — zone 11a
Zone 11a 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.
Last frost: January 1
First frost: December 31
Winter lows: 40 to 45 °F
A quiet month in zone 11a
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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