The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. 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 can be reffered to in order to estimate when you can plant carnation.

Planting Calendar for Carnation

Frost tolerance for carnation:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since carnation do well in cold you can plant them quite a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant carnation in Viroqua is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant carnation and expect a good harvest is probably August. You probably don't want to wait any later than that or else your carnation may not have a chance to grow to maturity. Starting your carnation indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Just be sure to remember 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 it frosts late in the year after May 15 so make sure that you are prepared to cover your carnation in the event of 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.