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.

The USDA zone info for Pasadena should be used to figure out when it's possible 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 has passed.

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

The earliest that you can plant string beans in Pasadena 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. You probably don't want to wait any later than that or else your string beans may not have a chance to really do well. If you are starting your string beans indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on February 15 in Pasadena. You should expect an average low temperature of 20°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Pasadena and it is different every year. Since half of the time in Pasadena last frost occurs after February 15 be ready to protect your string beans in the event of a surprise late frost.

USDA Zone Info for Pasadena

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Pasadena

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