One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to estimate when you can plant polygonums by referring to the USDA zone info for Elk City.

Planting Calendar for Polygonums

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

You should not plant polygonums until after all chance of frost has passed because they require warm weather.

The earliest that you can plant polygonums in Elk City 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 grow to maturity. Starting your polygonums indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Elk City. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Elk City may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Elk City you get surprised by a frost after April 15 be ready to protect your polygonums if you have a late frost.

USDA Zone Info for Elk City

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 Elk City

You may be interested in your other planting guides for Elk City.