One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's the best time to plant string beans in Orinda 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 when the weather gets warmer.

String beans do not do well in cold weather which means that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant string beans in Orinda 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. If you wait any later than that and 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 few weeks earlier.

Last Frost Date

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

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Orinda and it will vary from year to year. Half of the time in Orinda there is a last frost after February 15 so make sure that you are ready to protect your string beans if you have one of those late frosts.

USDA Zone Info for Orinda

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 Orinda

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