One of the best tools that you have as gardeners to help us determine 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.

The USDA zone info for Zone 6b should be reviewed to estimate when you can 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.

You can plant ruby grass just a tiny bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant ruby grass in Zone 6b 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 grow to maturity. Starting your ruby grass indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Zone 6b. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Zone 6b is an average the actual date of last frost is different every year. Since half of the time in Zone 6b you get a frost after April 15 be ready to cover your ruby grass in the event of a surprise late frost.

USDA Zone Info for Zone 6b

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 Zone 6b

You may be interested in your other planting guides for Zone 6b.