DibbleWhen to plant garlic in Zone 9
In Zone 9, the last spring frost usually passes around March 1 and the first fall frost arrives around December 1, leaving about 275 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Very long season. Plant cool crops in fall and winter; manage summer heat.
Planting windows for garlic in Zone 9
| Task | Window |
|---|---|
| Direct sow | Nov 17 to Dec 1 |
| Estimated harvest | Jul 15 to Jul 29 |
The harvest estimate counts 240 days to maturity, then a picking window of about 14 days. These windows use typical frost dates for Zone 9; Dibble pins them to your exact ZIP code.
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Garlic in a Zone 9 season
Zone 9 gives about 275 frost-free days. Garlic needs roughly 240 days from sowing. That leaves about 35 days of slack, enough for one full crop with a little room for a cold spring.
How to grow garlic
Plant cloves pointy end up in autumn, or at the start of the cool season where winters are mild (pre-chilled cloves do best there). Where winters freeze, mulch after planting. Harvest when the lower leaves turn brown.
Companion plants
Good neighbors for Garlic:
Better kept apart:
Garlic in other zones
Not in Zone 9? Pick your zone for the same dated windows.
Keep exploring
Garlic: the full growing guide · The Zone 9 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.