What to plant in June — zone 6b
Zone 6b averages its last spring frost around April 25 and its first fall frost around October 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
- Bush beanaround Jun 6
Sowing 3: replant every 14 days so one planting never has to feed you all season.
- Winter squasharound Jun 6
Sowing 2: replant every 21 days so one planting never has to feed you all season.
- Sweet cornaround Jun 6
Sowing 3: replant every 14 days so one planting never has to feed you all season.
- Beetaround Jun 13
Sowing 2: replant every 21 days so one planting never has to feed you all season.
- Carrotaround Jun 13
Sowing 2: replant every 21 days so one planting never has to feed you all season.
- Bush beanaround Jun 20
Sowing 4: replant every 14 days so one planting never has to feed you all season.
- Cucumberaround Jun 20
Sowing 3: replant every 21 days so one planting never has to feed you all season.
- Zucchiniaround Jun 20
Sowing 3: replant every 21 days so one planting never has to feed you all season.
- Sweet cornaround Jun 20
Sowing 4: replant every 14 days so one planting never has to feed you all season.
- Basilaround Jun 20
Sowing 3: replant every 21 days so one planting never has to feed you all season.
- Winter squasharound Jun 27
Sowing 3: replant every 21 days so one planting never has to feed you all season.
Garden care
- Side-dress heavy feedersaround Jun 6
Tomatoes, peppers, corn and squash get compost or fish emulsion once fruit sets.
- Prune and stake tomatoesaround Jun 13
Pull suckers and lower leaves for airflow — the main defense against blight in humid heat.
- Shade the cool-season bedaround Jun 20
30-40% shade cloth keeps lettuce, cilantro and spinach from bolting in peak heat.
- Scout for pests weeklyaround Jun 27
Squash bugs, hornworms and cucumber beetles peak now — five minutes of hand-picking beats a rescue spray.
Plan & order
- Order fall seedaround Jun 17
Fall brassicas and greens get sown in the heat of summer — have the seed on hand before that window opens.
Start indoors for fall
- Broccoliaround Jun 20
Fall broccoli window opens — sow trays any time in the next four weeks.
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