Zone 9a planting calendar
What to plant in June: zone 9a
A rule-of-thumb starting point for zone 9a: last spring frost around February 28, first fall frost around December 5. 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.
Typical last frost: February 28
Typical first frost: December 5
Winter lows: 20 to 25 °F
A quiet month in zone 9a
June 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 July.
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