One of the first steps you take when you are estimating 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.

In Harrington Park you can determine when it's the best time to plant creeping zinnia by reviewing the USDA zone info.

Planting Calendar for Creeping Zinnia

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

Creeping Zinnia do well in a tiny bit of cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant creeping zinnia 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 creeping zinnia and expect a good harvest is probably August. If you wait any later than that and your creeping zinnia may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your creeping zinnia indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Harrington Park is just an average and the actual date of last frost is different every year. Half of the time in Harrington Park there is a last frost after April 15 so be sure to be ready to cover your creeping zinnia if you have 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.