One of the first steps you take when you are getting a good idea 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.

You will be able to estimate when it's the best time to plant pole beans by looking at the USDA zone info for Alamosa.

Planting Calendar for Pole beans

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

Since pole beans are not cold tolerant it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant pole beans in Alamosa is May. However, you really should wait until June 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 August. If you wait any later than that and your pole beans may not have a chance to grow to maturity. If you are starting your pole beans indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Alamosa. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Alamosa is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Alamosa it frosts late in the year after May 15 be ready to protect your pole beans if you have a late frost.

USDA Zone Info for Alamosa

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in Alamosa

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