DibbleWhen to plant green onions 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 green onions in Zone 11
| Task | Window |
|---|---|
| Direct sow | Dec 4 to Dec 18 |
| Estimated harvest | Feb 2 to Mar 4 |
The harvest estimate counts 60 days to maturity, then a picking window of about 30 days. These windows use typical frost dates for Zone 11; Dibble pins them to your exact ZIP code.
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Green Onion in a Zone 11 season
Zone 11 gives about 365 frost-free days. Green Onion needs roughly 60 days from sowing. That leaves about 305 days of slack, so there is room for a late start or a second planting.
Sowing every 14 days, Zone 11 has room for about 22 plantings.
How to grow green onions
Sow scallions thickly in the cool part of the year and harvest young. Quick and hardy: sow in succession every 2 weeks for a steady supply.
Companion plants
Good neighbors for Green Onion:
Better kept apart:
Green Onion in other zones
Not in Zone 11? Pick your zone for the same dated windows.
Keep exploring
Green Onion: the full growing guide · The Zone 11 planting calendar · Every crop and zone
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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.