When to plant garlic in Hartford
Garlic is cold-hardy, so every date keys off Hartford's frost dates of Apr 14.
Step 1 · Sow
Direct sow outdoors
Sep 21 – Oct 12
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 19 – May 19
Picking runs until conditions turn against the crop.
Window
Days to maturity
240 d
Hartford's 188-day season leaves this much room.
Garlic on Hartford'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 14
OCT 19
Common questions
When can I sow garlic outdoors in Hartford?
Direct-sow around late September (Sep 21–Oct 12) in Hartford, based on its local frost dates. Confidence 89%.
When will garlic be ready to harvest in Hartford?
Expect to harvest from around mid May (May 19–May 19) in Hartford, based on its local frost dates. Confidence 80%.
How long is the growing season in Hartford?
Hartford has roughly 188 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 Hartford's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.