One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to determine when you can plant ornamental grasses by using the USDA zone info for Forest Park.

Planting Calendar for Ornamental Grasses

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

Ornamental Grasses are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can start planting them slightly earlier than plants that are more sensitive to the cold.

The earliest that you can plant ornamental grasses in Forest 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 ornamental grasses and expect a good harvest is probably August. You probably don't want to wait any later than that or else your ornamental grasses may not have a chance to really do well. You can get started a few weeks earlier by starting your ornamental grasses indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Forest Park. In the coldest months of winter you should expect an average low temperature of -10°F.

It's important to remember that USDA zone info for Forest Park may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Forest Park you get surprised by a frost after April 15 so just be sure to be ready to cover your ornamental grasses if you have one of those late frosts.

USDA Zone Info for Forest Park

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Forest Park

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