When to plant sweet potato in Canberra
Sweet potato is frost-tender, so every date keys off Canberra's last spring frost of Oct 20.
Step 1 · Plant
Transplant outdoors
Nov 10 – Dec 1
Once frost risk has passed and nights stay mild.
Step 2 · Harvest
Harvest window
Feb 8 – Mar 9
Picking runs until conditions turn against the crop.
Window
Days to maturity
90 – 120 d
Canberra's 182-day season leaves this much room.
Sweet potato on Canberra'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
OCT 20
APR 20
Common questions
When will sweet potato be ready to harvest in Canberra?
Expect to harvest from around early February (Feb 8–Mar 9) in Canberra, based on its local frost dates. Confidence 74%.
When can I transplant sweet potato outdoors in Canberra?
Transplant outdoors around early November (Nov 10–Dec 1) in Canberra, based on its local frost dates. Confidence 82%.
How long is the growing season in Canberra?
Canberra has roughly 182 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 Canberra's frost dates.
Confidence 82/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.