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When to plant swiss chard in Greensboro

Swiss chard is cold-hardy, so every date keys off Greensboro's frost dates of Apr 4.
Step 1 · Sow
Start seeds indoors
Mar 7 – Mar 28
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 21 – Apr 11
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 10 – May 20
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Aug 6 – Aug 20
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Oct 2 – Oct 12
Maturity window for the second sowing.
Window
Days to maturity
50 – 60 d
Greensboro's 220-day season leaves this much room.
Swiss chard on Greensboro'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
APR 4
NOV 5

Common questions

When can I sow swiss chard outdoors in Greensboro?

Direct-sow around late March (Mar 21–Apr 11) in Greensboro, based on its local frost dates. Confidence 88%.

When will swiss chard be ready to harvest in Greensboro?

Expect to harvest from around early May (May 10–May 20) in Greensboro, based on its local frost dates. Confidence 79%.

When should I start swiss chard seeds indoors in Greensboro?

Start seeds indoors around early March (Mar 7–Mar 28) in Greensboro, based on its local frost dates. Confidence 84%.

When can I transplant swiss chard outdoors in Greensboro?

Transplant outdoors around late March (Mar 21–Apr 11) in Greensboro, based on its local frost dates. Confidence 88%.

Can I plant swiss chard in autumn in Greensboro?

Yes — Greensboro supports a second, autumn sowing of swiss chard around early August (Aug 6–Aug 20), timed to mature before the first fall frost.

How long is the growing season in Greensboro?

Greensboro has roughly 220 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 Greensboro's frost dates.

Confidence 88/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.
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