When to plant sweet potato in Sydney
Sweet potato is frost-tender, so every date keys off Sydney's last spring frost.
Step 1 · Sow
Direct sow outdoors
Oct 3 – Oct 24
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jan 1 – Jan 31
Picking runs until conditions turn against the crop.
Window
Days to maturity
90 – 120 d
From sowing to first pick.
Common questions
When can I sow sweet potato outdoors in Sydney?
Direct-sow around early October (Oct 3–Oct 24) in Sydney, based on its local frost dates. Confidence 82%.
When will sweet potato be ready to harvest in Sydney?
Expect to harvest from around early January (Jan 1–Jan 31) in Sydney, based on its local frost dates. Confidence 76%.
How long is the growing season in Sydney?
Sydney has roughly 365 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 Sydney's frost dates.
Confidence 85/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.