One of the first steps you take when you are estimating 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.

A common way of determining when it's the best time to plant runner beans is to check out the USDA zone info for Stuttgart.

Planting Calendar for Runner beans

Frost tolerance for runner beans:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since runner beans require warm weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant runner beans in Stuttgart 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 runner beans and expect a good harvest is probably August. If you wait any later than that and your runner beans may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your runner beans indoors.

Last Frost Date

On average the last frost is on March 15 in Stuttgart. You should expect an average low temperature of 10°F in the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Stuttgart and it can change quite a bit from year to year. Half of the time in Stuttgart there is a last frost after March 15 so always be ready to protect your runner beans if you have a late frost.

USDA Zone Info for Stuttgart

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Stuttgart

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