One of the best tools that you have as gardeners to help us determine 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 Collinsville you can determine when it's the best time 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.

Since snap beans require warm weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant snap beans in Collinsville 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. If you wait any later than that and your snap beans may not have a chance to really do well. If you are starting your snap beans indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Collinsville. In the coldest months of winter you should expect an average low temperature of 0°F.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Collinsville and it will vary from year to year. Since half of the time in Collinsville you get surprised by a frost after April 15 be ready to cover your snap beans if you have a late frost.

USDA Zone Info for Collinsville

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 Collinsville

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