One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of getting a good idea when it's the best time to plant ruby grass is to consult the USDA zone info for Johnson City.

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.

Since ruby grass are barely cold tolerant you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant ruby grass in Johnson City 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. You probably don't want to wait any later than that or else your ruby grass may not have a chance to really do well. You can get started a couple of weeks earlier by starting your ruby grass indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Johnson City is an average and the actual date of last frost is different every year. Half of the time in Johnson City there is a last frost after April 15 so always be ready to protect your ruby grass if you have a late frost.

USDA Zone Info for Johnson City

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 Johnson City

You may be interested in your other planting guides for Johnson City.