Before planting it is a good idea to find your USDA Zone info to estimate 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.

In Lincoln you can estimate when it's a good idea to plant runner beans by looking at the USDA zone info.

Planting Calendar for Runner beans

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

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

The earliest that you can plant runner beans in Lincoln is March. However, you really should wait until April 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 September. Any later than that and your runner beans may not have a chance to really do well. If you are starting your 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 February 15 in Lincoln. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Lincoln is not always accurate the actual date of last frost will vary from year to year. Half of the time in Lincoln you get surprised by a frost after February 15 so be sure to be ready to protect your runner beans in the event of one of those late frosts.

USDA Zone Info for Lincoln

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Lincoln

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