The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant snap beans in Darien can be figured out by reviewing the USDA zone info.

Planting Calendar for Snap beans

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

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

The earliest that you can plant snap beans in Darien 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 snap beans and expect a good harvest is probably August. Any later than that and your snap beans may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your snap beans indoors.

Last Frost Date

The average date of last frost is April 15 in Darien. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Darien is an average the actual date of last frost is different every year. Since half of the time in Darien you get surprised by a frost after April 15 be ready to cover your snap beans if you have one of those late frosts.

USDA Zone Info for Darien

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Darien

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