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 estimating when it's the best time to plant polygonums is to check out the USDA zone info for Prairie View.

Planting Calendar for Polygonums

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

Since polygonums do not do well in cold weather you have to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant polygonums in Prairie View 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. If you wait any later than that and your polygonums may not have a chance to grow to maturity. If you are starting your polygonums indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Prairie View. You can expect an average low temperature of 15°F in the coldest months of winter.

It's important to remember that USDA zone info for Prairie View may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Prairie View you get surprised by a frost after March 15 so make sure that you are ready to cover your polygonums in the event of a late frost.

USDA Zone Info for Prairie View

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Prairie View

You may be interested in your other planting guides for Prairie View.