One of the first steps you take when you are determining 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.

It's possible to figure out when it's a good idea to plant sedum by using the USDA zone info for Waterbury.

Planting Calendar for Sedum

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

Sedum are one of those plants that can tolerate quite a bit of cold weather which means that you can plant them much earlier than more sensitive plants.

The earliest that you can plant sedum in Waterbury 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 grow to maturity. You can get started a few weeks earlier by starting your sedum indoors.

Last Frost Date

The average date of last frost is April 15 in Waterbury. It might get as low as -10°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Waterbury and it will vary from year to year. Since half of the time in Waterbury there is a last frost after April 15 be ready to cover your sedum in the event of a late frost.

USDA Zone Info for Waterbury

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 Waterbury

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