One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to determine when it's the best time to plant bell peppers by using the USDA zone info for Imperial.

Planting Calendar for Bell Peppers

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

You can not plant bell peppers until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant bell peppers in Imperial is February. However, you really should wait until March 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. Any later than that and your bell peppers may not have a chance to fully mature. Starting your bell peppers indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Imperial. You can expect an average low temperature of 30°F in the coldest months of winter.

Always 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 Imperial and it changes from year to year. Half of the time in Imperial last frost occurs after January 31 so always be ready to protect your bell peppers in the event of one of those late frosts.

USDA Zone Info for Imperial

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Imperial

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