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 USDA zone info for Harrington Park should be reffered to in order to figure out when it's possible to plant morning glory.

Planting Calendar for Morning Glory

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

It's probably not a good idea to plant morning glory until after the last frost because they require warm weather.

The earliest that you can plant morning glory in Harrington Park 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 morning glory and expect a good harvest is probably August. If you wait any later than that and your morning glory may not have a chance to really do well. You can get started a few weeks earlier by starting your morning glory indoors.

Last Frost Date

The average date of last frost is April 15 in Harrington Park. You should expect an average low temperature of 0°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Harrington Park and it will vary from year to year. Since half of the time in Harrington Park you get a frost after April 15 be ready to cover your morning glory if you have a late frost.

USDA Zone Info for Harrington Park

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 Harrington Park

You may be interested in your other planting guides for Harrington Park.