When to plant spinach in Arlington
Spinach is cold-hardy, so every date keys off Arlington's frost dates of Mar 6.
Step 1 · Sow
Direct sow outdoors
Jan 23 – Feb 13
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Mar 4 – Mar 14
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Sep 13 – Sep 27
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Oct 30 – Nov 9
Maturity window for the second sowing.
Window
Days to maturity
40 – 50 d
Arlington's 266-day season leaves this much room.
Spinach on Arlington'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
FROST
FROST
MAR 6
NOV 23
Common questions
When can I sow spinach outdoors in Arlington?
Direct-sow around late January (Jan 23–Feb 13) in Arlington, based on its local frost dates. Confidence 84%.
When will spinach be ready to harvest in Arlington?
Expect to harvest from around early March (Mar 4–Mar 14) in Arlington, based on its local frost dates. Confidence 76%.
Can I plant spinach in autumn in Arlington?
Yes — Arlington supports a second, autumn sowing of spinach around mid September (Sep 13–Sep 27), timed to mature before the first fall frost.
How long is the growing season in Arlington?
Arlington has roughly 266 frost-free days, which is enough time to grow spinach to maturity outdoors.
The rule of thumb
Sow spinach 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 Arlington's frost dates.
Confidence 84/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.