When to plant sweet potato in Dhaka
Dhaka is frost-free, so sweet potato's dates key off the local wet and dry seasons and monthly temperatures — not a frost date.
Step 1 · Sow
Direct sow outdoors
Oct 15 – Nov 15
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Feb 28 – Mar 25
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 Dhaka?
Direct-sow around mid October (Oct 15–Nov 15) in Dhaka, based on its local frost dates. Confidence 78%.
When will sweet potato be ready to harvest in Dhaka?
Expect to harvest from around late February (Feb 28–Mar 25) in Dhaka, based on its local frost dates. Confidence 70%.
The rule of thumb
Dhaka never frosts, so timing is about heat and the wet/dry seasons, not frost. Sow sweet potato into its window above and keep it watered. Every date here is modelled from Dhaka's monthly climate normals, not frost dates.
Confidence 78/100 · Curated · based on NASA POWER (modeled) 1991–2020 · modelled from climate normals.