One of the best tools that you have as gardeners to help us figure out 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.

The USDA zone info for Barstow should be used to estimate when it's a good idea 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 has passed.

Since snap beans require warm weather it is necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant snap beans in Barstow 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 snap beans and expect a good harvest is probably September. Any later than that and your snap beans may not have a chance to really do well. If you are starting your snap beans indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Barstow the average date of last frost happens on February 15. You can expect an average low temperature of 20°F in the coldest months of winter.

Keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Barstow and it can change quite a bit from year to year. Half of the time in Barstow last frost occurs after February 15 so always be ready to protect your snap beans in the event of a late frost.

USDA Zone Info for Barstow

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Barstow

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