One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 estimating when it's the best time to plant runner beans is to use the USDA zone info for Sheridan.

Planting Calendar for Runner beans

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

You can not plant runner beans until after the last frost because they are not cold tolerant.

The earliest that you can plant runner beans in Sheridan 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 Sheridan. You can expect an average low temperature of 10°F in the coldest months of winter.

Remember that USDA zone info for Sheridan may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Sheridan last frost occurs after March 15 be ready to cover your runner beans in the event of a late frost.

USDA Zone Info for Sheridan

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 Sheridan

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