One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for San Jose it's a good idea to determine when you can plant green beans.

Planting Calendar for Green beans

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

Green beans are not cold tolerant which tells us that it's necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant green beans in San Jose 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 green beans and expect a good harvest is probably September. Any later than that and your green beans may not have a chance to fully mature. If you are starting your green beans indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in San Jose. You should expect an average low temperature of 25°F in the coldest months of winter.

Remember that USDA zone info for San Jose is just an average and the actual date of last frost will vary from year to year. Half of the time in San Jose there is a last frost after February 15 so make sure that you are ready to protect your green beans if you have a late frost.

USDA Zone Info for San Jose

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in San Jose

You may be interested in your other planting guides for San Jose.