One of the first steps you take when you are making a decision about your gardening schedule is find your 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.

The first chance to plant polygonums in Schererville can be figured out by referring to the USDA zone info.

Planting Calendar for Polygonums

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

It's a bad idea to plant polygonums until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant polygonums in Schererville 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 really do well. You can get started a few weeks earlier by starting your polygonums indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Schererville. In the coldest months of winter you can expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Schererville may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Schererville it frosts late in the year after April 15 so always be ready to cover your polygonums if you have one of those late frosts.

USDA Zone Info for Schererville

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 Schererville

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