The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. 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 the best time to plant polka dot plant by referring to the USDA zone info for Glencoe.

Planting Calendar for Polka Dot Plant

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

It's a bad idea to plant polka dot plant until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant polka dot plant in Glencoe is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant polka dot plant and expect a good harvest is probably August. Any later than that and your polka dot plant may not have a chance to fully mature. If you are starting your polka dot plant 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 May 15 in Glencoe. You should expect an average low temperature of -25°F in the coldest months of winter.

It's important to remember that USDA zone info for Glencoe is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Glencoe last frost occurs after May 15 be ready to cover your polka dot plant in the event of a late frost.

USDA Zone Info for Glencoe

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Glencoe

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