Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant polygonums in Emmett can be figured out by reviewing the USDA zone info.

Planting Calendar for Polygonums

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

Since polygonums are not cold tolerant you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant polygonums in Emmett 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 Emmett. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Emmett is just an average the actual date of last frost is different every year. Since half of the time in Emmett it frosts late in the year after April 15 be ready to protect your polygonums if you have one of those late frosts.

USDA Zone Info for Emmett

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 Emmett

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