DibbleWhen to plant radishes 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 radishes in Zone 11
| Task | Window |
|---|---|
| Direct sow | Dec 4 to Dec 18 |
| Estimated harvest | Jan 1 to Jan 11 |
The harvest estimate counts 28 days to maturity, then a picking window of about 10 days. These windows use typical frost dates for Zone 11; Dibble pins them to your exact ZIP code.
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Radish in a Zone 11 season
Zone 11 gives about 365 frost-free days. Radish needs roughly 28 days from sowing. That leaves about 337 days of slack, so there is room for a late start or a second planting.
Sowing every 10 days, Zone 11 has room for about 34 plantings.
How to grow radishes
The fastest crop, ready in about a month. Sow in the cool part of the year and again every 10 days while it stays cool. Heat makes radishes woody and fiery, so skip the hottest months.
Companion plants
Good neighbors for Radish:
Radish in other zones
Not in Zone 11? Pick your zone for the same dated windows.
Keep exploring
Radish: 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.