When to plant sweet corn in Montgomery
Sweet corn is frost-tender, so every date keys off Montgomery's last spring frost of Mar 12.
Step 1 · Sow
Direct sow outdoors
Apr 3 – Apr 24
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 2 – Jul 12
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 100 d
Montgomery's 240-day season leaves this much room.
Sweet corn 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
HARVEST
MAR 12
NOV 9
Common questions
When can I sow sweet corn outdoors in Montgomery?
Direct-sow around early April (Apr 3–Apr 24) in Montgomery, based on its local frost dates. Confidence 89%.
When will sweet corn be ready to harvest in Montgomery?
Expect to harvest from around early June (Jun 2–Jul 12) in Montgomery, based on its local frost dates. Confidence 80%.
How long is the growing season in Montgomery?
Montgomery has roughly 240 frost-free days, which is enough time to grow sweet corn to maturity outdoors.
The rule of thumb
Sow sweet corn 6–8 weeks before your last spring frost; plant out 2–3 weeks after it. 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.