When to plant potato in Phoenix
Potato is cold-hardy, so every date keys off Phoenix's frost dates of Jan 27.
Step 1 · Sow
Direct sow outdoors
Dec 27 – Jan 17
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Mar 7 – Apr 26
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 120 d
Phoenix's 314-day season leaves this much room.
Potato on Phoenix'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
HARVEST
JAN 27
DEC 7
Common questions
When can I sow potato outdoors in Phoenix?
Direct-sow around late December (Dec 27–Jan 17) in Phoenix, based on its local frost dates. Confidence 80%.
When will potato be ready to harvest in Phoenix?
Expect to harvest from around early March (Mar 7–Apr 26) in Phoenix, based on its local frost dates. Confidence 74%.
How long is the growing season in Phoenix?
Phoenix has roughly 314 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 Phoenix's frost dates.
Confidence 82/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.