The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Edwardsville can be looked at to determine when it's the best time 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 do ok in moderate cold 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 Edwardsville 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. If you wait any later than that and your ruby grass may not have a chance to fully mature. You can get started a little bit earlier by starting your ruby grass indoors.

Last Frost Date

The average date of last frost is April 15 in Edwardsville. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Edwardsville is an average the actual date of last frost is different every year. Half of the time in Edwardsville you get surprised by a frost after April 15 so make sure that you are prepared to protect your ruby grass in the event of a late frost.

USDA Zone Info for Edwardsville

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 Edwardsville

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