Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant runner beans in Princeton should be estimated by referring to the USDA zone info.

Planting Calendar for Runner beans

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

It's probably not a good idea to plant runner beans until after all chance of frost has passed because they require warm weather.

The earliest that you can plant runner beans in Princeton 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. Any later than that and your runner beans may not have a chance to really do well. You can get started a little bit earlier by starting your runner beans indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Princeton. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Princeton is just an average the actual date of last frost is different every year. Half of the time in Princeton there is a last frost after April 15 so just be sure to be ready to protect your runner beans in the event of one of those late frosts.

USDA Zone Info for Princeton

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Princeton

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