When to plant potato in Wellington
Potato is cold-hardy, so every date keys off Wellington's frost dates of Sep 1.
Step 1 · Sow
Direct sow outdoors
Aug 18 – Sep 8
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Oct 27 – Dec 16
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 120 d
Wellington's 273-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 1
JUN 1
Common questions
When can I sow potato outdoors in Wellington?
Direct-sow around mid August (Aug 18–Sep 8) in Wellington, based on its local frost dates. Confidence 80%.
When will potato be ready to harvest in Wellington?
Expect to harvest from around late October (Oct 27–Dec 16) in Wellington, based on its local frost dates. Confidence 72%.
How long is the growing season in Wellington?
Wellington has roughly 273 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 80/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.