Before planting it is a good idea to find your USDA Zone info to figure out 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 first opportunity to plant scarlet runner beans in Sauk Rapids can be determined by referring to the USDA zone info.

Planting Calendar for Scarlet Runner Beans

Frost tolerance for scarlet runner beans:	Not tolerant of frost.
When to plant:	After the last frost.

Since scarlet runner beans do not do well in cold weather you must wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant scarlet runner beans in Sauk Rapids 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 scarlet runner beans and expect a good harvest is probably August. Any later than that and your scarlet runner beans may not have a chance to grow to maturity. If you are starting your scarlet runner beans indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Sauk Rapids. You can expect an average low temperature of -30°F in the coldest months of winter.

Keep in mind that USDA zone info for Sauk Rapids is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Sauk Rapids there is a last frost after May 15 be ready to protect your scarlet runner beans in the event of a late frost.

USDA Zone Info for Sauk Rapids

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Sauk Rapids

You may be interested in your other planting guides for Sauk Rapids.