One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 USDA zone info for Viroqua should be used to determine when it's a good idea to plant garden cress.

Planting Calendar for Garden cress

Frost tolerance for garden cress:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You really shouldn't plant garden cress until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant garden cress in Viroqua is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant garden cress and expect a good harvest is probably August. If you wait any later than that and your garden cress may not have a chance to really do well. If you are starting your garden cress indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Viroqua. In the coldest months of winter you should expect an average low temperature of -25°F.

Always keep in mind that USDA zone info for Viroqua may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Viroqua there is a last frost after May 15 so just be sure to be ready to protect your garden cress in the event of a surprise late frost.

USDA Zone Info for Viroqua

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Viroqua

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