Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant snap beans in Altoona can be figured out by using the USDA zone info.

Planting Calendar for Snap beans

Frost tolerance for snap beans:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's probably a bad idea to plant snap beans until after the last frost because they do not do well in cold weather.

The earliest that you can plant snap beans in Altoona is April. However, you really should wait until May 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 August. Any later than that and your snap beans may not have a chance to fully mature. 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 Altoona the average date of last frost happens on April 15. You can expect an average low temperature of -10°F in the coldest months of winter.

Always keep in mind that USDA zone info for Altoona is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Altoona last frost occurs after April 15 be ready to protect your snap beans if you have a surprise late frost.

USDA Zone Info for Altoona

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Altoona

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