Marigold · Zapopan, Jalisco, Mexico
When to sow marigolds in Zapopan
Main outdoor window
not outdoors here
The window this page is built around.
Timed from last spring frost
no spring frost
In Zapopan, on your chosen risk.
First autumn frost
26 December
The far end of the outdoor season.
The average last frost. Half of all years are later than this.
Step by step in Zapopan
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.
Marigolds through the year
Against the frost risk in Zapopan
Why these dates
Six weeks indoors produces flowering plants at transplant time. Direct sowing works but flowers three weeks later.
Killed by frost at both ends of the season, with no tolerance at any growth stage.
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. Marigolds are timed from 6 weeks before that frost for an indoor start, with planting out 1 weeks after it, and this page simply resolves those offsets against the frost date computed for Zapopan.
Also in Zapopan
Other flowers to time
Growing marigolds in Zapopan
How much frost will marigolds tolerate?
Killed by frost at both ends of the season, with no tolerance at any growth stage.