Sunflower · Lagos, Lagos, Nigeria
When to sow sunflowers in Lagos
Main outdoor window
not outdoors here
The window this page is built around.
Timed from last spring frost
no spring frost
In Lagos, on your chosen risk.
First autumn frost
no autumn frost
The far end of the outdoor season.
The average last frost. Half of all years are later than this.
Step by step in Lagos
Each window is a range, not a single day. Earlier in the range buys you a longer season; later in it buys you a safer one.
Sunflowers through the year
Against the frost risk in Lagos
Why these dates
Sow a short row every two weeks until ten weeks before first frost for continuous cut flowers rather than one brief spectacle.
Seedlings are killed by frost. Once flowering, stems tolerate a light autumn frost without damage.
Seed packets and extension guides express timing as weeks either side of the last spring frost, because that is the only reference point that travels. Sunflowers are timed for direct sowing 1 weeks after it, and this page simply resolves those offsets against the frost date computed for Lagos.
Growing sunflowers in Lagos
How much frost will sunflowers tolerate?
Seedlings are killed by frost. Once flowering, stems tolerate a light autumn frost without damage.