When to Plant Swiss Chard in Zone 9
In USDA zone 9a, start seeds indoors around January 11, transplant or plant outdoors February 15 to April 16, and expect your first harvest around April 16. Zone 9 also has a fall planting window opening around September 15. (9a shown here — see 9a and 9b dates separately below.)
Swiss Chard planting calendar for USDA Zone 9a
Average last spring frost
March 1
Average first fall frost
December 1
spring planting
Start seeds indoors
Jan 11
Transplant outdoors
Feb 15
Projected first harvest
Apr 16
fall planting
Direct sow
Sep 15
Projected first harvest
Nov 14
spring planting
fall planting
Most swiss chard mature in about 60 days, needing roughly 275 frost-free days in zone 9a.
Swiss Chard planting calendar for USDA Zone 9b
Average last spring frost
February 15
Average first fall frost
December 15
spring planting
Start seeds indoors
Dec 28
Transplant outdoors
Feb 1
Projected first harvest
Apr 2
fall planting
Direct sow
Sep 29
Projected first harvest
Nov 28
spring planting
fall planting
Most swiss chard mature in about 60 days, needing roughly 303 frost-free days in zone 9b.
Not sure whether you're in 9a or 9b? 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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