What to plant in March: zone 10b
A rule-of-thumb starting point for zone 10b: last spring frost around January 15, first fall frost around December 30. 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.
Succession sow
- Beet2 sowings: Mar 5 and Mar 26
Sowing 2: replant every 21 days so one planting never has to feed you all season. Sowing again a few weeks later keeps the harvest coming instead of arriving all at once.
- Carrot2 sowings: Mar 5 and Mar 26
Sowing 2: replant every 21 days so one planting never has to feed you all season. Sowing again a few weeks later keeps the harvest coming instead of arriving all at once.
- Bush beanaround Mar 12
Sowing 4: replant every 14 days so one planting never has to feed you all season.
- Cucumberaround Mar 12
Sowing 3: replant every 21 days so one planting never has to feed you all season.
- Zucchiniaround Mar 12
Sowing 3: replant every 21 days so one planting never has to feed you all season.
- Sweet cornaround Mar 12
Sowing 4: replant every 14 days so one planting never has to feed you all season.
- Basilaround Mar 12
Sowing 3: replant every 21 days so one planting never has to feed you all season.
- Winter squasharound Mar 19
Sowing 3: replant every 21 days so one planting never has to feed you all season.
Garden care
- Prune and stake tomatoes3 sowings: Mar 5 and Mar 12 and Mar 19
Pull suckers and lower leaves for airflow. The main defense against blight in humid heat. Sowing again a few weeks later keeps the harvest coming instead of arriving all at once.
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