When to plant potato in Wellington
Potato is cold-hardy, so every date keys off Wellington's frost dates of Sep 19.
Step 1 · Sow
Direct sow outdoors
Sep 5 – Sep 26
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Nov 14 – Jan 3
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 120 d
Wellington's 256-day season leaves this much room.
Potato on Wellington'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
HARVEST
SEP 19
JUN 2
Common questions
When can I sow potato outdoors in Wellington?
Direct-sow around early September (Sep 5–Sep 26) in Wellington, based on its local frost dates. Confidence 50%.
When will potato be ready to harvest in Wellington?
Expect to harvest from around mid November (Nov 14–Jan 3) in Wellington, based on its local frost dates. Confidence 45%.
How long is the growing season in Wellington?
Wellington has roughly 256 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 Wellington's frost dates.
Confidence 50/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.