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

The first chance to plant liatris in Glassboro should be determined by using the USDA zone info.

Planting Calendar for Liatris

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

You can plant liatris quite a bit earlier in the year because they are very cold tolerant.

The earliest that you can plant liatris in Glassboro 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. If you wait any later than that and your liatris may not have a chance to fully mature. Starting your liatris indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Glassboro. It might get as low as 0°F during the coldest months of winter.

Keep in mind that USDA zone info for Glassboro is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Glassboro it frosts late in the year after April 15 be ready to cover your liatris in the event of a late frost.

USDA Zone Info for Glassboro

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 Glassboro

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