When to plant potato in San Antonio
Potato is cold-hardy, so every date keys off San Antonio's frost dates of Feb 21.
Step 1 · Sow
Direct sow outdoors
Feb 7 – Feb 28
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Apr 18 – Jun 7
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 120 d
San Antonio's 282-day season leaves this much room.
Potato on San Antonio'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
FEB 21
NOV 29
Common questions
When can I sow potato outdoors in San Antonio?
Direct-sow around early February (Feb 7–Feb 28) in San Antonio, based on its local frost dates. Confidence 83%.
When will potato be ready to harvest in San Antonio?
Expect to harvest from around mid April (Apr 18–Jun 7) in San Antonio, based on its local frost dates. Confidence 75%.
How long is the growing season in San Antonio?
San Antonio has roughly 282 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 San Antonio's frost dates.
Confidence 83/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.