One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of determining when it's the best time to plant pole beans is to examine the USDA zone info for Holtville.

Planting Calendar for Pole beans

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

Since pole beans are not cold tolerant you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant pole beans in Holtville 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 really do well. If you are starting your pole beans indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Holtville the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Holtville may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Holtville you get a frost after January 31 be ready to protect your pole beans in the event of one of those late frosts.

USDA Zone Info for Holtville

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 Holtville

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