When to plant spinach in Montgomery
Spinach is cold-hardy, so every date keys off Montgomery's frost dates of Mar 12.
Step 1 · Sow
Direct sow outdoors
Jan 29 – Feb 19
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Mar 10 – Mar 20
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Aug 30 – Sep 13
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Oct 16 – Oct 26
Maturity window for the second sowing.
Window
Days to maturity
40 – 50 d
Montgomery's 240-day season leaves this much room.
Spinach on Montgomery'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 12
NOV 9
Common questions
When can I sow spinach outdoors in Montgomery?
Direct-sow around late January (Jan 29–Feb 19) in Montgomery, based on its local frost dates. Confidence 89%.
When will spinach be ready to harvest in Montgomery?
Expect to harvest from around early March (Mar 10–Mar 20) in Montgomery, based on its local frost dates. Confidence 80%.
Can I plant spinach in autumn in Montgomery?
Yes — Montgomery supports a second, autumn sowing of spinach around late August (Aug 30–Sep 13), timed to mature before the first fall frost.
How long is the growing season in Montgomery?
Montgomery has roughly 240 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 Montgomery's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.