When to plant swiss chard in Manchester

Swiss chard is cold-hardy, so every date keys off Manchester's frost dates of Apr 24.
Step 1 · Sow
Start seeds indoors
Mar 27 – Apr 17
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Apr 21 – May 12
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jun 10 – Jun 20
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jul 18 – Aug 1
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Sep 13 – Sep 23
Maturity window for the second sowing.
Window
Days to maturity
50 – 60 d
Manchester's 185-day season leaves this much room.
Swiss chard on Manchester'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 24
OCT 21

Common questions

When can I sow swiss chard outdoors in Manchester?

Direct-sow around late April (Apr 21–May 12) in Manchester, based on its local frost dates. Confidence 79%.

When will swiss chard be ready to harvest in Manchester?

Expect to harvest from around early June (Jun 10–Jun 20) in Manchester, based on its local frost dates. Confidence 73%.

When should I start swiss chard seeds indoors in Manchester?

Start seeds indoors around late March (Mar 27–Apr 17) in Manchester, based on its local frost dates. Confidence 77%.

When can I transplant swiss chard outdoors in Manchester?

Transplant outdoors around late April (Apr 21–May 12) in Manchester, based on its local frost dates. Confidence 79%.

Can I plant swiss chard in autumn in Manchester?

Yes — Manchester supports a second, autumn sowing of swiss chard around mid July (Jul 18–Aug 1), timed to mature before the first fall frost.

How long is the growing season in Manchester?

Manchester has roughly 185 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 Manchester's frost dates.

Confidence 81/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.