When to Plant Bell Peppers in Clayton, CA

One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to estimate when it's possible to plant bell peppers by using the USDA zone info for Clayton.


Planting Calendar for Bell Peppers

Frost tolerance for bell peppers: Not tolerant of frost.
When to plant: After all chance of frost has passed.

It's probably a bad idea to plant bell peppers until after the last frost has passed because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant bell peppers
Possibly ok, but a risky time to plant bell peppers
Probably not a good time to plant bell peppers

The earliest that you can plant bell peppers in Clayton is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant bell peppers and expect a good harvest is probably September. You probably don't want to wait any later than that or else your bell peppers may not have a chance to fully mature. You can get started a little bit earlier by starting your bell peppers indoors.

Last Frost Date

In Clayton the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Clayton and it changes from year to year. Since half of the time in Clayton you get a frost after February 15 be ready to cover your bell peppers in the event of one of those late frosts.

USDA Zone Info for Clayton

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Clayton

You may be interested in your other planting guides for Clayton.