The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of getting a good idea when it's a good idea to plant bell peppers is to look at the USDA zone info for Suisun City.

Planting Calendar for Bell Peppers

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

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

The earliest that you can plant bell peppers in Suisun City 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. If you wait any later than that and your bell peppers may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your bell peppers indoors.

Last Frost Date

On average the last frost is on February 15 in Suisun City. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Suisun City is an average the actual date of last frost will vary from year to year. Since half of the time in Suisun City last frost occurs after February 15 be ready to protect your bell peppers in the event of a surprise late frost.

USDA Zone Info for Suisun City

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 Low	25°F
Highest Expected Low	30°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 Suisun City

You may be interested in your other planting guides for Suisun City.