The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Carterville can be read to figure out when it's possible to plant ruby grass.

Planting Calendar for Ruby Grass

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

Ruby Grass are barely cold tolerant which means that you can get them planted just a bit earlier than other frost tender plants.

The earliest that you can plant ruby grass in Carterville 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 ruby grass and expect a good harvest is probably August. Any later than that and your ruby grass may not have a chance to really do well. You can get started a little bit earlier by starting your ruby grass indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Carterville. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Carterville is an average the actual date of last frost will vary from year to year. Half of the time in Carterville there is a last frost after April 15 so make sure that you are ready to cover your ruby grass if you have a surprise late frost.

USDA Zone Info for Carterville

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Carterville

You may be interested in your other planting guides for Carterville.