One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's a good idea to plant creeping zinnia in Richton Park by checking out 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.

You can plant creeping zinnia just a tiny bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant creeping zinnia in Richton 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. Any later than that and your creeping zinnia may not have a chance to fully mature. You can get started a little bit earlier by starting your creeping zinnia indoors.

Last Frost Date

The average date of last frost is April 15 in Richton Park. In the coldest months of winter you should expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Richton Park is not always accurate and the actual date of last frost is different every year. Since half of the time in Richton Park it frosts late in the year after April 15 be ready to cover your creeping zinnia in the event of one of those late frosts.

USDA Zone Info for Richton Park

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Richton Park

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