The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to estimate when you can plant snap beans by reviewing the USDA zone info for Dubuque.

Planting Calendar for Snap beans

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

Since snap beans are not cold tolerant 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 snap beans in Dubuque 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 grow to maturity. You can get started a few weeks earlier by starting your snap beans indoors.

Last Frost Date

The average date of last frost is April 15 in Dubuque. You can expect an average low temperature of -20°F in the coldest months of winter.

It's important to remember that USDA zone info for Dubuque is not always accurate and the actual date of last frost is different every year. Since half of the time in Dubuque there is a last frost after April 15 be ready to protect your snap beans if you have a late frost.

USDA Zone Info for Dubuque

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Dubuque

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