When to Plant Swiss Chard in Connecticut
Connecticut spans USDA hardiness 6a to 7b (zones 6a to 7b on this page). Plant swiss chard by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 6a · Zone 6b · Zone 7a · Zone 7b
Swiss Chard planting calendar for Connecticut, Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
spring planting
Start seeds indoors
Mar 7
Transplant outdoors
Apr 11
Projected first harvest
Jun 10
fall planting
Direct sow
Jul 25
Projected first harvest
Sep 23
spring planting
fall planting
Most swiss chard mature in about 60 days. Full zone 6 guide (both 6a and 6b) →
Swiss Chard planting calendar for Connecticut, Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
spring planting
Start seeds indoors
Mar 2
Transplant outdoors
Apr 6
Projected first harvest
Jun 5
fall planting
Direct sow
Jul 30
Projected first harvest
Sep 28
spring planting
fall planting
Most swiss chard mature in about 60 days. Full zone 6 guide (both 6a and 6b) →
Swiss Chard planting calendar for Connecticut, Zone 7a
Average last spring frost
April 15
Average first fall frost
October 20
spring planting
Start seeds indoors
Feb 25
Transplant outdoors
Apr 1
Projected first harvest
May 31
fall planting
Direct sow
Aug 4
Projected first harvest
Oct 3
spring planting
fall planting
Most swiss chard mature in about 60 days. Full zone 7 guide (both 7a and 7b) →
Swiss Chard planting calendar for Connecticut, Zone 7b
Average last spring frost
April 10
Average first fall frost
October 30
spring planting
Start seeds indoors
Feb 20
Transplant outdoors
Mar 27
Projected first harvest
May 26
fall planting
Direct sow
Aug 14
Projected first harvest
Oct 13
spring planting
fall planting
Most swiss chard mature in about 60 days. Full zone 7 guide (both 7a and 7b) →
Not sure which half-zone you're in? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
2 varieties of swiss chard in the HomeSown library. Tap any for its full grow guide.
Common problems with swiss chard
What to watch for, with identification and treatment for each
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