One of the first steps you take when you are figuring out 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 USDA zone info for Harrington Park can be reviewed to estimate when to plant iresene.

Planting Calendar for Iresene

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

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

The earliest that you can plant iresene 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 iresene and expect a good harvest is probably August. If you wait any later than that and your iresene may not have a chance to fully mature. You can get started a few weeks earlier by starting your iresene indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Harrington Park is not always accurate and the actual date of last frost is different every year. Since half of the time in Harrington Park there is a last frost after April 15 be ready to cover your iresene 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.