The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when to plant snap beans by using the USDA zone info for Marshall.

Planting Calendar for Snap beans

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

Snap beans require warm weather which means that it's necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant snap beans in Marshall 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 snap beans and expect a good harvest is probably August. Any later than that and your snap beans may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your snap beans indoors.

Last Frost Date

In Marshall the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -25°F.

Since the USDA zone info for Marshall is an average the actual date of last frost will vary from year to year. Half of the time in Marshall there is a last frost after May 15 so make sure that you are ready to protect your snap beans if you have one of those late frosts.

USDA Zone Info for Marshall

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 Marshall

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