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.

You will be able to determine when you can plant ruby grass by looking at the USDA zone info for Culpeper.

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 tend to make it in some cold which tells us that you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant ruby grass in Culpeper 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. If you are starting your ruby grass indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Culpeper. It might get as low as 0°F during the coldest months of winter.

Remember that USDA zone info for Culpeper is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Culpeper last frost occurs after April 15 so make sure that you are prepared to protect your ruby grass if you have a late frost.

USDA Zone Info for Culpeper

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Culpeper

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