The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant bachelor buttons in Viroqua should be estimated by referring to the USDA zone info.

Planting Calendar for Bachelor Buttons

Frost tolerance for bachelor buttons:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Bachelor Buttons do well in moderate cold which means that you can plant them earlier than other frost tender plants.

The earliest that you can plant bachelor buttons 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 bachelor buttons and expect a good harvest is probably August. If you wait any later than that and your bachelor buttons may not have a chance to grow to maturity. Starting your bachelor buttons indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Viroqua. It might get as low as -25°F during the coldest months of winter.

Always keep in mind that USDA zone info for Viroqua is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Viroqua last frost occurs after May 15 be ready to cover your bachelor buttons if you have 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.