Before planting it is a good idea to find your USDA Zone info to determine 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 New Haven you can determine when you can plant pole beans by using the USDA zone info.

Planting Calendar for Pole beans

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

It's probably a bad idea to plant pole beans until after all chance of frost has passed because they require warm weather.

The earliest that you can plant pole beans in New Haven 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 pole beans and expect a good harvest is probably August. Any later than that and your pole beans may not have a chance to really do well. Starting your pole beans indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in New Haven. It might get as low as 0°F during the coldest months of winter.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for New Haven and it is different every year. Half of the time in New Haven last frost occurs after April 15 so be sure to be ready to protect your pole beans if you have one of those late frosts.

USDA Zone Info for New Haven

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in New Haven

You may be interested in your other planting guides for New Haven.