When to plant potato in Riverside
Potato is cold-hardy, so every date keys off Riverside's frost dates of Feb 16.
Step 1 · Sow
Direct sow outdoors
Feb 2 – Feb 23
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Apr 13 – Jun 2
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 120 d
Riverside's 293-day season leaves this much room.
Potato on Riverside'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
FEB 16
DEC 6
Common questions
When can I sow potato outdoors in Riverside?
Direct-sow around early February (Feb 2–Feb 23) in Riverside, based on its local frost dates. Confidence 78%.
When will potato be ready to harvest in Riverside?
Expect to harvest from around mid April (Apr 13–Jun 2) in Riverside, based on its local frost dates. Confidence 70%.
How long is the growing season in Riverside?
Riverside has roughly 293 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 Riverside's frost dates.
Confidence 78/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.