The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant gaillardia in Harrington Park can be estimated by reviewing the USDA zone info.

Planting Calendar for Gaillardia

Frost tolerance for gaillardia:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Gaillardia do ok in moderate cold which tells us that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant gaillardia in Harrington Park is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant gaillardia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your gaillardia may not have a chance to fully mature. Starting your gaillardia indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Harrington Park is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Harrington Park it frosts late in the year after April 15 be ready to cover your gaillardia in the event of a surprise 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.