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.

In Euclid you can figure out when it's the best time to plant polygonums by reviewing the USDA zone info.

Planting Calendar for Polygonums

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

Since polygonums do not do well in cold weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant polygonums in Euclid 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 fully mature. You can get started a little bit earlier by starting your polygonums indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Euclid. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Euclid is an average the actual date of last frost will vary from year to year. Half of the time in Euclid you get surprised by a frost after April 15 so just be sure to be ready to cover your polygonums if you have a surprise late frost.

USDA Zone Info for Euclid

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Euclid

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