One of the first steps you take when you are getting a good idea your gardening schedule is find your 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.

You will be able to estimate when to plant artemesia by looking at the USDA zone info for Waseca.

Planting Calendar for Artemesia

Frost tolerance for artemesia:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since artemesia are one of those plants that can tolerate a tiny bit of cold weather you can plant them slightly earlier in the year than other frost tender plants.

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

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

Last Frost Date

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

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

USDA Zone Info for Waseca

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 Waseca

You may be interested in your other planting guides for Waseca.