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

In Fairfax you can determine when you can plant string beans by reviewing the USDA zone info.

Planting Calendar for String beans

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

Since string beans are not cold tolerant you must wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant string beans in Fairfax 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 fully mature. Starting your string beans indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Fairfax. In the coldest months of winter you can expect an average low temperature of 25°F.

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

USDA Zone Info for Fairfax

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 Fairfax

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