Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant pole beans in National City can be figured out by reviewing the USDA zone info.

Planting Calendar for Pole beans

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

Since pole beans are not cold tolerant it is important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant pole beans in National City 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. Starting your pole beans indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In National City the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 35°F.

Remember that USDA zone info for National City may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in National City you get surprised by a frost after January 31 be ready to protect your pole beans in the event of a late frost.

USDA Zone Info for National City

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in National City

You may be interested in your other planting guides for National City.