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

You can determine when it's the best time to plant pole beans in San Juan by checking out 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 has passed.

Pole beans do not do well in cold weather which means that it is 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 pole beans in San Juan 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 pole beans and expect a good harvest is probably September. Any later than that and your pole beans may not have a chance to really do well. You can get started a few weeks earlier by starting your pole beans indoors.

Last Frost Date

On average the last frost has passed is on February 15 in San Juan. In the coldest months of winter you can expect an average low temperature of 25°F.

Remember 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 San Juan and it changes from year to year. Since half of the time in San Juan last frost occurs after February 15 be ready to cover your pole beans in the event of one of those late frosts.

USDA Zone Info for San Juan

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 Juan

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