When to plant potato in Boston
Potato is cold-hardy, so every date keys off Boston's frost dates of Apr 4.
Step 1 · Sow
Direct sow outdoors
Apr 7 – Apr 28
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 16 – Aug 5
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 120 d
Boston's 220-day season leaves this much room.
Potato on Boston'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 4
NOV 9
Common questions
When can I sow potato outdoors in Boston?
Direct-sow around early April (Apr 7–Apr 28) in Boston, based on its local frost dates. Confidence 86%.
When will potato be ready to harvest in Boston?
Expect to harvest from around mid June (Jun 16–Aug 5) in Boston, based on its local frost dates. Confidence 80%.
How long is the growing season in Boston?
Boston has roughly 220 frost-free days, which is enough time to grow potato to maturity outdoors.
The rule of thumb
Sow potato 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 Boston's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.