When to plant onion in General Santos
General Santos 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 – Jan 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 General Santos?
Direct-sow around early November (Nov 1–Jan 31) in General Santos, based on its local frost dates. Confidence 65%.
When will onion be ready to harvest in General Santos?
Expect to harvest from around late January (Jan 30–Feb 19) in General Santos, based on its local frost dates. Confidence 58%.
The rule of thumb
General Santos 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 General Santos's monthly climate normals, not frost dates.
Confidence 65/100 · Curated · based on NASA POWER (modeled) 1991–2020 · modelled from climate normals.