One of the first steps you take when you are estimating your gardening schedule is find your 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 getting a good idea when to plant sedum is to check out the USDA zone info for Westminster.

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 a lot earlier in the year because they do well in cold.

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

The last month that you can plant sedum and expect a good harvest is probably October. Any later than that and your sedum may not have a chance to fully mature. 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 January 31 in Westminster. It might get as low as 35°F during the coldest months of winter.

Since the USDA zone info for Westminster is just an average the actual date of last frost changes from year to year. Since half of the time in Westminster you get surprised by a frost after January 31 be ready to cover your sedum if you have one of those late frosts.

USDA Zone Info for Westminster

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Westminster

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