One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of estimating when it's possible to plant sedum is to examine the USDA zone info for Ann Arbor.

Planting Calendar for Sedum

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

You can plant sedum earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

The earliest that you can plant sedum in Ann Arbor is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant sedum and expect a good harvest is probably September. You probably don't want to wait any later than that or else your sedum may not have a chance to fully mature. Starting your sedum indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Ann Arbor. You should expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Ann Arbor is just an average and the actual date of last frost changes from year to year. Since half of the time in Ann Arbor it frosts late in the year after April 15 be ready to cover your sedum if you have a late frost.

USDA Zone Info for Ann Arbor

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Ann Arbor

You may be interested in your other planting guides for Ann Arbor.