One of the first steps you take when you are making a decision about 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 possible to plant polygonums by reviewing the USDA zone info for Conneaut.

Planting Calendar for Polygonums

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

Since polygonums require warm weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant polygonums in Conneaut 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. You can get started a couple of weeks earlier by starting your polygonums indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Conneaut. You should expect an average low temperature of -5°F in the coldest months of winter.

It's important to remember that USDA zone info for Conneaut is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Conneaut last frost occurs after April 15 so just be sure to be ready to protect your polygonums in the event of one of those late frosts.

USDA Zone Info for Conneaut

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Conneaut

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