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.

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.

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).  

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.  

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.

RECOMMENDED VEGETABLE CROPS FOR

21-Day Intervals

CROP PLANTING RECOMMENDATIONS NOTES
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.
Melons For fall crops, sow 8 weeks before first frost date and keep soil well watered for good germination. Use row cover or Surround WP for cucumber beetle control.

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.