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.

A way of making a decision about when it's possible to plant polygonums is to look at the USDA zone info for Mount Pleasant.

Planting Calendar for Polygonums

Frost tolerance for polygonums:	Not tolerant of frost.
When to plant:	After the last frost.

You can not plant polygonums until after the last frost because they require warm weather.

The earliest that you can plant polygonums in Mount Pleasant 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 polygonums and expect a good harvest is probably August. You probably don't want to wait any later than that or else your polygonums may not have a chance to fully mature. Starting your polygonums indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Mount Pleasant. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Mount Pleasant is an average the actual date of last frost is different every year. Since half of the time in Mount Pleasant it frosts late in the year after April 15 be ready to cover your polygonums in the event of one of those late frosts.

USDA Zone Info for Mount Pleasant

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 Mount Pleasant

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