One of the first steps you take when you are determining 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.

The USDA zone info for Chula Vista should be used to determine when to plant snap beans.

Planting Calendar for Snap beans

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

Since snap beans are not cold tolerant you must wait until after the last frost before you can plant them.

The earliest that you can plant snap beans in Chula Vista 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 snap beans and expect a good harvest is probably September. If you wait any later than that and your snap beans may not have a chance to really do well. Starting your snap beans indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on January 31 in Chula Vista. You should expect an average low temperature of 35°F in the coldest months of winter.

Since the USDA zone info for Chula Vista is just an average the actual date of last frost is different every year. Half of the time in Chula Vista you get a frost after January 31 so just be sure to be ready to cover your snap beans in the event of a late frost.

USDA Zone Info for Chula Vista

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 Chula Vista

You may be interested in your other planting guides for Chula Vista.