When to plant onion in Manila
Manila is frost-free, so onion's dates key off the local wet and dry seasons and monthly temperatures — not a frost date.
Step 1 · Sow
Direct sow outdoors
Nov 1 – Dec 31
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jan 30 – Feb 19
Picking runs until conditions turn against the crop.
Window
Days to maturity
90 – 110 d
From sowing to first pick.
Common questions
When can I sow onion outdoors in Manila?
Direct-sow around early November (Nov 1–Dec 31) in Manila, based on its local frost dates. Confidence 65%.
When will onion be ready to harvest in Manila?
Expect to harvest from around late January (Jan 30–Feb 19) in Manila, based on its local frost dates. Confidence 58%.
The rule of thumb
Manila never frosts, so timing is about heat and the wet/dry seasons, not frost. Sow onion into its window above and keep it watered. Every date here is modelled from Manila's monthly climate normals, not frost dates.
Confidence 65/100 · Curated · based on NASA POWER (modeled) 1991–2020 · modelled from climate normals.