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.

One way of figuring out when it's a good idea to plant polygonums is to consult the USDA zone info for Tuscumbia.

Planting Calendar for Polygonums

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

It's not a good idea to plant polygonums until after the last frost has passed because they require warm weather.

The earliest that you can plant polygonums in Tuscumbia 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. Any later than that and your polygonums may not have a chance to really do well. Starting your polygonums indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Tuscumbia. In the coldest months of winter you can expect an average low temperature of 5°F.

Since the USDA zone info for Tuscumbia is not always accurate the actual date of last frost will vary from year to year. Half of the time in Tuscumbia last frost occurs after April 15 so be sure to be ready to cover your polygonums if you have a late frost.

USDA Zone Info for Tuscumbia

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 Tuscumbia

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