When to plant sweet corn in Salt Lake City
Sweet corn is frost-tender, so every date keys off Salt Lake City's last spring frost of Apr 13.
Step 1 · Sow
Direct sow outdoors
May 24 – Jun 14
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jul 23 – Sep 1
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 100 d
Salt Lake City's 194-day season leaves this much room.
Sweet corn on Salt Lake City'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
APR 13
OCT 26
Common questions
When can I sow sweet corn outdoors in Salt Lake City?
Direct-sow around late May (May 24–Jun 14) in Salt Lake City, based on its local frost dates. Confidence 86%.
When will sweet corn be ready to harvest in Salt Lake City?
Expect to harvest from around late July (Jul 23–Sep 1) in Salt Lake City, based on its local frost dates. Confidence 80%.
How long is the growing season in Salt Lake City?
Salt Lake City has roughly 194 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 Salt Lake City's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.