One of the best tools that you have as gardeners to help us figure out 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 first opportunity to plant nolana in Viroqua should be estimated by checking out the USDA zone info.

Planting Calendar for Nolana

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

Since nolana do not do well in cold weather you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant nolana 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 nolana and expect a good harvest is probably August. You probably don't want to wait any later than that or else your nolana may not have a chance to really do well. If you are starting your nolana indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Viroqua is just an average the actual date of last frost is different every year. Half of the time in Viroqua there is a last frost after May 15 so be sure to be ready to cover your nolana if you have a 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.