The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Cumberland can be reviewed to estimate when it's the best time to plant trachelium.

Planting Calendar for Trachelium

Frost tolerance for trachelium:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You really shouldn't plant trachelium until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant trachelium in Cumberland is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant trachelium and expect a good harvest is probably August. If you wait any later than that and your trachelium may not have a chance to grow to maturity. If you are starting your trachelium indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Cumberland. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Cumberland is just an average the actual date of last frost changes from year to year. Since half of the time in Cumberland you get surprised by a frost after April 15 be ready to cover your trachelium in the event of a late frost.

USDA Zone Info for Cumberland

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Cumberland

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