The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant string beans in Byron should be estimated by using the USDA zone info.

Planting Calendar for String beans

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

You can not plant string beans until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant string beans in Byron 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 string beans and expect a good harvest is probably August. If you wait any later than that and your string beans may not have a chance to grow to maturity. Starting your string beans indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Byron. In the coldest months of winter you can expect an average low temperature of -25°F.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Byron and it is different every year. Since half of the time in Byron last frost occurs after May 15 be ready to cover your string beans if you have a late frost.

USDA Zone Info for Byron

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 Byron

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