One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Irvine you will be able to figure out when it's the best time to plant pole beans.

Planting Calendar for Pole beans

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

Pole beans do not do well in cold weather which tells us that you must wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant pole beans in Irvine is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant pole beans and expect a good harvest is probably September. You probably don't want to wait any later than that or else your pole beans may not have a chance to grow to maturity. If you are starting your pole beans indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on January 31 in Irvine. It might get as low as 30°F during the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Irvine and it will vary from year to year. Since half of the time in Irvine there is a last frost after January 31 be ready to protect your pole beans in the event of one of those late frosts.

USDA Zone Info for Irvine

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Irvine

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