Warm-Season Vegetable

When to Plant Peppers in California

From sweet bells to fiery habaneros, peppers love heat and reward patience with prolific harvests.

The Short Answer

California's diverse climates offer everything from near-perfect pepper conditions in the Central Valley to the cool-summer challenges of the Bay Area fog belt. Inland valleys with their hot, dry summers are pepper paradise — the conditions mirror the plants' tropical origins. Coastal gardeners face the same cool-summer challenges as with tomatoes, but peppers are even less forgiving of cool temperatures.

California Frost Dates

Your planting dates depend on which part of California you're in. Here are the frost date ranges by region:

Region Zones Last Frost (Spring) First Frost (Fall)
Northern California Mountains 5a, 5b, 6a, 6b May 1 - May 25 Sep 20 - Oct 15
Central Valley 9a, 9b Feb 10 - Mar 1 Nov 15 - Dec 5
Southern California Coast 10a, 10b, 11a Jan 1 - Feb 1 Dec 10 - Jan 1
Bay Area 9b, 10a Jan 20 - Feb 15 Nov 25 - Dec 15

Peppers Planting Schedule for California

Northern California Mountains (Zones 5a, 5b, 6a, 6b)

Average last frost: May 1 - May 25 · Average first frost: Sep 20 - Oct 15

Start Seeds Indoors
8 wks before frost
Transplant Outside
2 wks after frost

Central Valley (Zones 9a, 9b)

Average last frost: Feb 10 - Mar 1 · Average first frost: Nov 15 - Dec 5

Start Seeds Indoors
8 wks before frost
Transplant Outside
2 wks after frost

Southern California Coast (Zones 10a, 10b, 11a)

Average last frost: Jan 1 - Feb 1 · Average first frost: Dec 10 - Jan 1

Start Seeds Indoors
8 wks before frost
Transplant Outside
2 wks after frost

Bay Area (Zones 9b, 10a)

Average last frost: Jan 20 - Feb 15 · Average first frost: Nov 25 - Dec 15

Start Seeds Indoors
8 wks before frost
Transplant Outside
2 wks after frost

Growing Peppers in California

State-Specific Growing Tips

Central Valley gardeners (Zones 9a-9b) can transplant peppers as early as late March, with production continuing well into October. Southern California inland (Zones 9b-10a) can plant from March through April. Bay Area and coastal gardeners should wait until June and choose the warmest microclimate available — against a south-facing stucco wall is ideal. Raised beds and containers warm faster than in-ground beds in coastal areas. In the desert regions (Zones 9b-10a), provide afternoon shade during peak summer — even heat-loving peppers struggle above 105°F.

Recommended Varieties for California

Central Valley and inland Southern California can grow everything — from sweet Marconi and Jimmy Nardello to superhot Habanero, Scorpion, and Reaper varieties. Coastal gardens should focus on smaller-fruited varieties that mature faster: Shishito, Padron, and small jalapeños. For the fog belt, UC Master Gardeners recommend Gypsy (early bell) and Lipstick (sweet pimento).

Common Challenges in California

In the Central Valley, pepper weevils and hornworms are the primary pests. Spider mites thrive in the dry heat. Sunscald on exposed fruits is common — maintain leaf canopy rather than pruning heavily. Coastal California's main challenge is simply insufficient heat — cool nights below 55°F prevent fruit set. Container growing allows moving plants to sunny spots as the fog pattern shifts through the day.

Growing Tips

Start seeds early — peppers are slow to germinate. Wait until nights are consistently above 55°F before transplanting.

Companion Planting

Plant peppers alongside these companions for better growth:

Tomatoes Basil Carrots Onions

Keep peppers away from:

Fennel Kohlrabi

The Bottom Line

Peppers can be grown successfully in California with proper attention to regional frost dates and local growing conditions. Timing varies across the state — Northern California Mountains gardeners work with a last frost around May 1 - May 25, while Bay Area sees frost end around Jan 20 - Feb 15. Choose varieties suited to your region, amend your soil based on its specific needs, and monitor for the pests and diseases most common in your area. For exact dates based on your zip code, use our free planting date finder.
Note: All dates are based on NOAA 30-year Climate Normals and represent historical averages, not predictions for any specific year. Always check your local weather forecast before planting frost-sensitive crops. Learn about our data sources.

Last reviewed: March 29, 2026

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