The USDA Zone info is a great tool for gardeners to help us estimate 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.

It's possible to estimate when to plant lavender by using the USDA zone info for Sioux Falls.

Planting Calendar for Lavender

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

Since lavender do well in moderate cold you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant lavender in Sioux Falls 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. You can get started a little bit earlier by starting your lavender indoors.

Last Frost Date

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

Since the USDA zone info for Sioux Falls is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Sioux Falls you get surprised by a frost after May 15 so be sure to be ready to cover your lavender in the event of a late frost.

USDA Zone Info for Sioux Falls

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 Sioux Falls

You may be interested in your other planting guides for Sioux Falls.