DibbleWhen to plant hot peppers 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 hot peppers in Zone 9
| Task | Window |
|---|---|
| Start seeds indoors | Jan 18 to Feb 1 |
| Transplant | Mar 29 to Apr 12 |
| Estimated harvest | Jun 17 to Aug 26 |
The harvest estimate counts 80 days to maturity, then a picking window of about 70 days. These windows use typical frost dates for Zone 9; Dibble pins them to your exact ZIP code.
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Hot Pepper in a Zone 9 season
Zone 9 gives about 275 frost-free days. Hot Pepper needs roughly 80 days from transplant. That leaves about 195 days of slack, so there is room for a late start or a second planting.
How to grow hot peppers
Chilies need even more heat than sweet peppers. Start seeds indoors about 10 weeks before planting out, and transplant into warm soil once nights stay warm.
Companion plants
Good neighbors for Hot Pepper:
Better kept apart:
Hot Pepper in other zones
Not in Zone 9? Pick your zone for the same dated windows.
Keep exploring
Hot Pepper: the full growing guide · The Zone 9 planting calendar · Every crop and zone
Plant at the right time this season
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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.