When to plant swiss chard in Lubbock

Swiss chard is cold-hardy, so every date keys off Lubbock's frost dates of Apr 7.
Step 1 · Sow
Start seeds indoors
Mar 10 – Mar 31
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 24 – Apr 14
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 13 – May 23
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jul 26 – Aug 9
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Sep 21 – Oct 1
Maturity window for the second sowing.
Window
Days to maturity
50 – 60 d
Lubbock's 210-day season leaves this much room.
Swiss chard on Lubbock'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 7
OCT 28

Common questions

When can I sow swiss chard outdoors in Lubbock?

Direct-sow around late March (Mar 24–Apr 14) in Lubbock, based on its local frost dates. Confidence 88%.

When will swiss chard be ready to harvest in Lubbock?

Expect to harvest from around mid May (May 13–May 23) in Lubbock, based on its local frost dates. Confidence 79%.

When should I start swiss chard seeds indoors in Lubbock?

Start seeds indoors around early March (Mar 10–Mar 31) in Lubbock, based on its local frost dates. Confidence 84%.

When can I transplant swiss chard outdoors in Lubbock?

Transplant outdoors around late March (Mar 24–Apr 14) in Lubbock, based on its local frost dates. Confidence 88%.

Can I plant swiss chard in autumn in Lubbock?

Yes — Lubbock supports a second, autumn sowing of swiss chard around late July (Jul 26–Aug 9), timed to mature before the first fall frost.

How long is the growing season in Lubbock?

Lubbock has roughly 210 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 Lubbock's frost dates.

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