One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Havre De Grace you can determine when to plant snap beans by looking at 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.

It's probably not a good idea to plant snap beans until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant snap beans in Havre De Grace 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. You probably don't want to wait any later than that or else your snap beans may not have a chance to fully mature. If you are starting your snap beans indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Havre De Grace. You should expect an average low temperature of 0°F in the coldest months of winter.

Keep in mind that USDA zone info for Havre De Grace 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 Havre De Grace last frost occurs after April 15 be ready to protect your snap beans in the event of one of those late frosts.

USDA Zone Info for Havre De Grace

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 Havre De Grace

You may be interested in your other planting guides for Havre De Grace.