What to plant in April — zone 9b
Zone 9b averages its last spring frost around February 15 and its first fall frost around December 15. Everything below is timed from those two dates, so it stays useful whether you're planting for summer or for a fall harvest.
Succession sow
- Beetaround Apr 5
Sowing 2: replant every 21 days so one planting never has to feed you all season.
- Carrotaround Apr 5
Sowing 2: replant every 21 days so one planting never has to feed you all season.
- Bush beanaround Apr 12
Sowing 4: replant every 14 days so one planting never has to feed you all season.
- Cucumberaround Apr 12
Sowing 3: replant every 21 days so one planting never has to feed you all season.
- Zucchiniaround Apr 12
Sowing 3: replant every 21 days so one planting never has to feed you all season.
- Sweet cornaround Apr 12
Sowing 4: replant every 14 days so one planting never has to feed you all season.
- Basilaround Apr 12
Sowing 3: replant every 21 days so one planting never has to feed you all season.
- Winter squasharound Apr 19
Sowing 3: replant every 21 days so one planting never has to feed you all season.
- Beetaround Apr 26
Sowing 3: replant every 21 days so one planting never has to feed you all season.
- Carrotaround Apr 26
Sowing 3: replant every 21 days so one planting never has to feed you all season.
Garden care
- Prune and stake tomatoesaround Apr 5
Pull suckers and lower leaves for airflow — the main defense against blight in humid heat.
- Shade the cool-season bedaround Apr 12
30-40% shade cloth keeps lettuce, cilantro and spinach from bolting in peak heat.
- Scout for pests weeklyaround Apr 19
Squash bugs, hornworms and cucumber beetles peak now — five minutes of hand-picking beats a rescue spray.
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