One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when it's the best time to plant polygonums by checking out the USDA zone info for Brunswick.

Planting Calendar for Polygonums

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

Polygonums are not cold tolerant which means that it is important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant polygonums in Brunswick 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 really do well. If you are starting your polygonums indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Brunswick the average date of last frost happens on April 15. You should expect an average low temperature of 0°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Brunswick is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Brunswick it frosts late in the year after April 15 be ready to cover your polygonums if you have one of those late frosts.

USDA Zone Info for Brunswick

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 Brunswick

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