When to plant sweet potato in Melbourne
Sweet potato is frost-tender, so every date keys off Melbourne's last spring frost.
Step 1 · Sow
Direct sow outdoors
Nov 28 – Dec 19
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Feb 26 – Mar 28
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 Melbourne?
Direct-sow around late November (Nov 28–Dec 19) in Melbourne, based on its local frost dates. Confidence 79%.
When will sweet potato be ready to harvest in Melbourne?
Expect to harvest from around late February (Feb 26–Mar 28) in Melbourne, based on its local frost dates. Confidence 73%.
How long is the growing season in Melbourne?
Melbourne 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 Melbourne's frost dates.
Confidence 81/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.