When to plant garlic in Oklahoma City
Garlic is cold-hardy, so every date keys off Oklahoma City's frost dates of Apr 3.
Step 1 · Sow
Direct sow outdoors
Oct 8 – Oct 29
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 5 – Jun 5
Picking runs until conditions turn against the crop.
Window
Days to maturity
240 d
Oklahoma City's 223-day season leaves this much room.
Garlic on Oklahoma 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
APR 3
NOV 5
Common questions
When can I sow garlic outdoors in Oklahoma City?
Direct-sow around early October (Oct 8–Oct 29) in Oklahoma City, based on its local frost dates. Confidence 88%.
When will garlic be ready to harvest in Oklahoma City?
Expect to harvest from around early June (Jun 5–Jun 5) in Oklahoma City, based on its local frost dates. Confidence 79%.
How long is the growing season in Oklahoma City?
Oklahoma City has roughly 223 frost-free days, which is marginal time to grow garlic to maturity outdoors.
The rule of thumb
Sow garlic 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 Oklahoma City's frost dates.
Confidence 88/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.