One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

A way of determining when it's a good idea to plant sedum is to consult the USDA zone info for Wausau.

Planting Calendar for Sedum

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

Sedum tend to make it in a bit of cold which tells us that you can plant them a lot earlier in the year than other frost tender plants.

The earliest that you can plant sedum in Wausau 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 sedum and expect a good harvest is probably August. Any later than that and your sedum may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your sedum indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Wausau. In the coldest months of winter you should expect an average low temperature of -25°F.

It's important to remember that USDA zone info for Wausau is an average and the actual date of last frost changes from year to year. Half of the time in Wausau there is a last frost after May 15 so be sure to be ready to cover your sedum in the event of a late frost.

USDA Zone Info for Wausau

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 Wausau

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