DibbleWhen to plant pepper 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 pepper in Zone 9
| Task | Window |
|---|---|
| Start seeds indoors | Jan 4 to Jan 18 |
| Transplant | Mar 15 to Mar 29 |
| Estimated harvest | May 24 to Jul 23 |
The harvest estimate counts 70 days to maturity, then a picking window of about 60 days. These windows use typical frost dates for Zone 9; Dibble pins them to your exact ZIP code.
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How to grow pepper
Peppers love warmth. Start indoors 8 weeks before last frost and wait until soil is warm (2 weeks after frost) to transplant.
Companion plants
Good neighbors for Pepper:
Better kept apart:
Pepper in nearby zones
Keep exploring
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.