The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Westfield you will be able to figure out when it's a good idea to plant sedum.

Planting Calendar for Sedum

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

Sedum do ok in a bit of cold which tells us that you can plant them quite a bit earlier in the year than other frost tender plants.

The earliest that you can plant sedum in Westfield 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. If you wait any later than that and your sedum may not have a chance to really do well. You can get started a few weeks earlier by starting your sedum indoors.

Last Frost Date

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

Since the USDA zone info for Westfield is just an average the actual date of last frost will vary from year to year. Half of the time in Westfield it frosts late in the year after April 15 so make sure that you are prepared to cover your sedum in the event of one of those late frosts.

USDA Zone Info for Westfield

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Westfield

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