Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Greenbrier you should be able to estimate when it's the best time to plant tritoma.

Planting Calendar for Tritoma

Frost tolerance for tritoma:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Tritoma do ok in cold weather which means that you can plant them much earlier in the year than other plants that might not handle the cold.

The earliest that you can plant tritoma in Greenbrier is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant tritoma and expect a good harvest is probably September. Any later than that and your tritoma may not have a chance to really do well. Starting your tritoma indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Greenbrier. You can expect an average low temperature of 0°F in the coldest months of winter.

Remember that USDA zone info for Greenbrier may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Greenbrier you get surprised by a frost after April 15 be ready to protect your tritoma if you have one of those late frosts.

USDA Zone Info for Greenbrier

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 Greenbrier

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