When to plant sweet corn in Charlotte
Sweet corn is frost-tender, so every date keys off Charlotte's last spring frost of Mar 30.
Step 1 · Sow
Direct sow outdoors
Apr 24 – May 15
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 23 – Aug 2
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 100 d
Charlotte's 216-day season leaves this much room.
Sweet corn on Charlotte'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 30
NOV 3
Common questions
When can I sow sweet corn outdoors in Charlotte?
Direct-sow around late April (Apr 24–May 15) in Charlotte, based on its local frost dates. Confidence 89%.
When will sweet corn be ready to harvest in Charlotte?
Expect to harvest from around late June (Jun 23–Aug 2) in Charlotte, based on its local frost dates. Confidence 80%.
How long is the growing season in Charlotte?
Charlotte has roughly 216 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 Charlotte's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.