Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Mount Holly you will be able to determine when you can plant liatris.

Planting Calendar for Liatris

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

Liatris are one of those plants that can tolerate quite a bit of cold weather which tells us that you can get them planted much earlier than more sensitive plants.

The earliest that you can plant liatris in Mount Holly 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 liatris and expect a good harvest is probably September. You probably don't want to wait any later than that or else your liatris may not have a chance to fully mature. You can get started a few weeks earlier by starting your liatris indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Mount Holly. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Mount Holly may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Mount Holly there is a last frost after April 15 so always be ready to cover your liatris in the event of a surprise late frost.

USDA Zone Info for Mount Holly

Here is the info for USDA Zone 7b.

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

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

Plants to Grow in Mount Holly

You may be interested in your other planting guides for Mount Holly.