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

It's possible to determine when you can plant polygonums by reviewing the USDA zone info for Lubbock.

Planting Calendar for Polygonums

Frost tolerance for polygonums:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since polygonums are not cold tolerant it is important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant polygonums in Lubbock 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 fully mature. Starting your polygonums indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Lubbock the average date of last frost happens on April 15. You should expect an average low temperature of 5°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Lubbock is an average and the actual date of last frost is different every year. Half of the time in Lubbock you get surprised by a frost after April 15 so just be sure to be ready to cover your polygonums in the event of a surprise late frost.

USDA Zone Info for Lubbock

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 Lubbock

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