What to Plant in June
USDA Zone 6b
Last frost: Apr 1 – Apr 15
Frost-free days: 170–190
The garden is established and growing fast. Focus on succession planting, keeping up with watering, and starting fall-season crops indoors if your first frost comes early.
June at a Glance
Indoor
Transplant
Direct Sow
1
5
10
15
20
25
Today
Zinnias
Sunflowers
Beans (bush)
Cucumbers
Summer Squash
Corn
Carrots
Beets
Radishes
Direct Sow 9
Plant these seeds directly into the soil outdoors.
Carrots
Mar 15 – Jul 15
16 per sq ft
70–80 days
Beets
Mar 15 – Jul 15
9 per sq ft
50–70 days
Radishes
Mar 15 – Sep 15
16 per sq ft
22–30 days
Sunflowers
Apr 20 – Jun 1
1 per sq ft
70–100 days
Beans (bush)
Apr 20 – Jul 1
9 per sq ft
50–60 days
Corn
Apr 20 – Jun 1
1 per sq ft
60–100 days
Cucumbers
Apr 25 – Jun 1
2 per sq ft
50–70 days
Summer Squash
Apr 25 – Jun 1
Zinnias
May 1 – Jun 1
June Gardening Tips
- Direct sow Corn, Carrots, Beets straight into the garden — no transplanting needed.
- Water deeply but less often to encourage deep root growth. Morning watering reduces disease risk.
Ready to plan your garden?
Add these crops to your garden plan and get personalized planting reminders for Zone 6b.
Start Planning Free