When to plant garlic in Minneapolis
Garlic is cold-hardy, so every date keys off Minneapolis's frost dates of Apr 21.
Step 1 · Sow
Direct sow outdoors
Sep 15 – Oct 6
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 13 – May 13
Picking runs until conditions turn against the crop.
Window
Days to maturity
240 d
Minneapolis's 180-day season leaves this much room.
Garlic on Minneapolis'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 21
OCT 13
Common questions
When can I sow garlic outdoors in Minneapolis?
Direct-sow around mid September (Sep 15–Oct 6) in Minneapolis, based on its local frost dates. Confidence 87%.
When will garlic be ready to harvest in Minneapolis?
Expect to harvest from around mid May (May 13–May 13) in Minneapolis, based on its local frost dates. Confidence 78%.
How long is the growing season in Minneapolis?
Minneapolis has roughly 180 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 Minneapolis's frost dates.
Confidence 87/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.