When to plant swiss chard in Jackson

Swiss chard is cold-hardy, so every date keys off Jackson's frost dates of Mar 3.
Step 1 · Sow
Start seeds indoors
Feb 3 – Feb 24
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Feb 17 – Mar 10
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Apr 8 – Apr 18
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Aug 22 – Sep 5
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Oct 18 – Oct 28
Maturity window for the second sowing.
Window
Days to maturity
50 – 60 d
Jackson's 267-day season leaves this much room.
Swiss chard on Jackson's growing year
Frost-bounded season with crops mapped onto the 12-month axis.
Frost risk Growing Harvest
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
MAR 3
NOV 20

Common questions

When can I sow swiss chard outdoors in Jackson?

Direct-sow around mid February (Feb 17–Mar 10) in Jackson, based on its local frost dates. Confidence 82%.

When will swiss chard be ready to harvest in Jackson?

Expect to harvest from around early April (Apr 8–Apr 18) in Jackson, based on its local frost dates. Confidence 74%.

When should I start swiss chard seeds indoors in Jackson?

Start seeds indoors around early February (Feb 3–Feb 24) in Jackson, based on its local frost dates. Confidence 78%.

When can I transplant swiss chard outdoors in Jackson?

Transplant outdoors around mid February (Feb 17–Mar 10) in Jackson, based on its local frost dates. Confidence 82%.

Can I plant swiss chard in autumn in Jackson?

Yes — Jackson supports a second, autumn sowing of swiss chard around late August (Aug 22–Sep 5), timed to mature before the first fall frost.

How long is the growing season in Jackson?

Jackson has roughly 267 frost-free days, which is enough time to grow swiss chard to maturity outdoors.

The rule of thumb

Sow swiss chard as soon as the soil is workable — it tolerates cool weather and light frost. Every date on this page is derived from that rule and Jackson's frost dates.

Confidence 82/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.