One of the first steps you take when you are making a decision about 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.

One way of making a decision about when to plant scarlet runner beans is to examine the USDA zone info for Mansfield.

Planting Calendar for Scarlet Runner Beans

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

Since scarlet runner beans do not do well in cold weather you really should 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 Mansfield 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 scarlet runner beans and expect a good harvest is probably August. You probably don't want to wait any later than that or else your scarlet runner beans may not have a chance to really do well. Starting your scarlet runner beans indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Mansfield. It might get as low as 15°F during the coldest months of winter.

Keep in mind that USDA zone info for Mansfield may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Mansfield you get surprised by a frost after March 15 be ready to protect your scarlet runner beans in the event of one of those late frosts.

USDA Zone Info for Mansfield

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Mansfield

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