One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant basil in Prairie Du Chien should be estimated by looking at the USDA zone info.

Planting Calendar for Basil

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

Since basil do not do well in cold weather it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant basil in Prairie Du Chien 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 basil and expect a good harvest is probably August. You probably don't want to wait any later than that or else your basil may not have a chance to grow to maturity. You can get started a little bit earlier by starting your basil indoors.

Last Frost Date

On average the last frost is on April 15 in Prairie Du Chien. In the coldest months of winter you can expect an average low temperature of -20°F.

Since the USDA zone info for Prairie Du Chien may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Prairie Du Chien you get a frost after April 15 so always be ready to cover your basil if you have a late frost.

USDA Zone Info for Prairie Du Chien

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 Prairie Du Chien

You may be interested in your other planting guides for Prairie Du Chien.