When to plant sweet potato in Austin
Sweet potato is frost-tender, so every date keys off Austin's last spring frost of Feb 15.
Step 1 · Plant
Transplant outdoors
Mar 29 – Apr 19
Once frost risk has passed and nights stay mild.
Step 2 · Harvest
Harvest window
Jun 27 – Jul 27
Picking runs until conditions turn against the crop.
Window
Days to maturity
90 – 120 d
Austin's 286-day season leaves this much room.
Sweet potato on Austin'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
FEB 15
DEC 2
Common questions
When will sweet potato be ready to harvest in Austin?
Expect to harvest from around late June (Jun 27–Jul 27) in Austin, based on its local frost dates. Confidence 79%.
When can I transplant sweet potato outdoors in Austin?
Transplant outdoors around late March (Mar 29–Apr 19) in Austin, based on its local frost dates. Confidence 88%.
How long is the growing season in Austin?
Austin has roughly 286 frost-free days, which is enough time to grow sweet potato to maturity outdoors.
The rule of thumb
Sow sweet potato 6–8 weeks before your last spring frost; plant out 2–3 weeks after it. Every date on this page is derived from that rule and Austin's frost dates.
Confidence 88/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.