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.

By looking at the USDA zone info for Park Ridge you should be able to figure out when you can plant creeping zinnia.

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 are barely cold tolerant which means that you can start planting them slightly earlier than more sensitive plants.

The earliest that you can plant creeping zinnia in Park Ridge 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 fully mature. Starting your creeping zinnia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Park Ridge. You should expect an average low temperature of 0°F in the coldest months of winter.

Remember that USDA zone info for Park Ridge is just an average and the actual date of last frost is different every year. Since half of the time in Park Ridge you get surprised by a frost after April 15 be ready to protect your creeping zinnia in the event of one of those late frosts.

USDA Zone Info for Park Ridge

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 Park Ridge

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