DibbleWhen to plant zinnia in Zone 11
In Zone 11, the last spring frost usually passes around January 1 and the first fall frost arrives around December 31, leaving about 365 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Frost-free, tropical. Year-round growing; timing follows wet/dry and heat, not frost.
Planting windows for zinnia in Zone 11
| Task | Window |
|---|---|
| Direct sow | Jan 8 to Jan 22 |
| Estimated harvest | Mar 9 to May 18 |
The harvest estimate counts 60 days to maturity, then a picking window of about 70 days. These windows use typical frost dates for Zone 11; Dibble pins them to your exact ZIP code.
Get reminders for these exact dates
Dibble turns your ZIP code into a full planting calendar and reminds you on the right day. Free to start, no account needed.
How to grow zinnia
Sow zinnias right after last frost. Cut often, the more you pick, the more they bloom.
Companion plants
Good neighbors for Zinnia:
Zinnia in nearby zones
Keep exploring
Zinnia: the full growing guide · The Zone 11 planting calendar · Every crop and zone
Plant at the right time this season
Dibble builds your calendar in under a minute. Free to start, no account needed.
Dates are estimates based on typical frost dates for the zone. Your yard has its own microclimate, so use them as a starting point and adjust as you learn your space.