The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Simi Valley you should be able to determine when to plant string beans.

Planting Calendar for String beans

Frost tolerance for string beans:	Not tolerant of frost.
When to plant:	After the last frost.

It's probably a bad idea to plant string beans until after the last frost because they are not cold tolerant.

The earliest that you can plant string beans in Simi Valley 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 string beans and expect a good harvest is probably September. Any later than that and your string beans may not have a chance to fully mature. You can get started a few weeks earlier by starting your string beans indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Simi Valley. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Simi Valley is an average the actual date of last frost changes from year to year. Since half of the time in Simi Valley it frosts late in the year after February 15 be ready to protect your string beans if you have a surprise late frost.

USDA Zone Info for Simi Valley

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 Simi Valley

You may be interested in your other planting guides for Simi Valley.