Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of getting a good idea when you can plant lavender is to look at the USDA zone info for Viroqua.

Planting Calendar for Lavender

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

Lavender do well in moderate cold which tells us that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant lavender 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 lavender and expect a good harvest is probably August. Any later than that and your lavender may not have a chance to really do well. If you are starting your lavender indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

It's important 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 you get surprised by a frost after May 15 so make sure that you are prepared to cover your lavender 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.