Succession Planting Intervals for Vegetables

SUCCESSION PLANTING • Interval Charts for VEGETABLES

Above: Greens trial field, Johnny's Research Farm. Image courtesy of Rachel Katz, Johnny's Trial Technician.

RECOMMENDED VEGETABLE CROPS for:

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Follow these general guidelines for succession-planting vegetable crops at intervals of 7 days, 10 days, 14 days, 21 days, and 30 days.

  • Take note that the timing intervals listed here are based on standard growing practices.
  • Modifications such as season-extension practices can allow growers to plant and harvest earlier and later than the standard date windows suggested below.
  • Intervals between plantings can also be modified under certain conditions.
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RECOMMENDED VEGETABLE CROPS FOR

7-Day Intervals

CROP PLANTING RECOMMENDATIONS NOTES
Baby Leaf Lettuce Sow up to 4 weeks before first frost date (unless using protected cover).  
Baby Leaf Greens Sow up to 4 weeks before first frost date (unless using protected cover). Cover with lightweight row cover to prevent flea beetle damage.
Radishes Sow up to 4 weeks before first frost date. Cover with lightweight row cover to prevent flea beetle damage.
Spinach Sow up to 2 weeks before first frost date (unless using protected cover).  
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RECOMMENDED VEGETABLE CROPS FOR

10-Day Intervals

CROP PLANTING RECOMMENDATIONS NOTES
Full-size Head Lettuce Sow up to 8 weeks before first frost date.  
Full-Size Asian Greens & Bok Choy Sow up to 6 weeks before first frost date. Cover with lightweight row cover to prevent flea beetle damage.
Fresh-Market Kohlrabi (Fresh-Eating) Sow up to 6 weeks before first frost date. Cover with lightweight row cover to prevent flea beetle damage.
Peas For fall crops, sow 8 weeks before first frost date and keep soil well watered for good germination. Mid summer harvests are not as prolific as earlier harvests.
Sweet Corn Plant varieties of multiple days-to-maturity within each planting.  
Bush Beans Sow up to 8 weeks before first frost date.  
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RECOMMENDED VEGETABLE CROPS FOR

14-Day Intervals

CROP PLANTING RECOMMENDATIONS NOTES
Beets Sow up to 8 weeks before first frost date. Sell thinnings as beet greens.
Escarole Sow up to 8 weeks before first frost date.  
Endive Sow up to 8 weeks before first frost date.  
Arugula Sow up to 1 month before first frost date (unless using protected cover). Cover with lightweight row cover to prevent flea beetle damage.
Turnips Sow up to 6 weeks before first frost date. Cover with lightweight row cover to prevent flea beetle damage.
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RECOMMENDED VEGETABLE CROPS FOR

21-Day Intervals

CROP PLANTING RECOMMENDATIONS NOTES
Bunching Onions Direct seed or transplant, early spring to late summer.  
Carrots Sow early spring through mid July. Sow storage types in mid July only.  
Cucumbers Sow up to 6 weeks before first frost date. Use row cover or Surround WP for cucumber beetle control.
Full-size Mustard Greens Sow up to 6 weeks before first frost date. Cover with lightweight row cover to prevent flea beetle damage.
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RECOMMENDED VEGETABLE CROPS FOR

30-Day Intervals

CROP PLANTING RECOMMENDATIONS NOTES
Summer Squash Sow up to 8 weeks before first frost date. Use row cover or Surround WP for cucumber beetle control.
Swiss Chard Sow up to 10 weeks before first frost date.  
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Learn More

Additional Succession-Planting Resources from Johnny's

Further Reading

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