Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when it's possible to plant polygonums in Elkins by checking out 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 are not cold tolerant you need to wait until after the last frost before you can plant them.

The earliest that you can plant polygonums in Elkins 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. You probably don't want to wait any later than that or else your polygonums may not have a chance to fully mature. 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 April 15 in Elkins. You should expect an average low temperature of -15°F in the coldest months of winter.

Remember that USDA zone info for Elkins is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Elkins last frost occurs after April 15 so just be sure to be ready to cover your polygonums if you have one of those late frosts.

USDA Zone Info for Elkins

Here is the info for USDA Zone 5b.

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

Plants to Grow in Elkins

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