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.

It's possible to figure out when you can plant nigella by referring to the USDA zone info for Stone Mountain.

Planting Calendar for Nigella

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

Nigella are one of those plants that can tolerate quite a bit of cold weather which means that you can get them planted much earlier than more sensitive plants.

The earliest that you can plant nigella in Stone Mountain 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 nigella and expect a good harvest is probably September. Any later than that and your nigella may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your nigella indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Stone Mountain. You should expect an average low temperature of 5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Stone Mountain is not always accurate and the actual date of last frost changes from year to year. Half of the time in Stone Mountain last frost occurs after April 15 so just be sure to be ready to cover your nigella if you have a late frost.

USDA Zone Info for Stone Mountain

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Stone Mountain

You may be interested in your other planting guides for Stone Mountain.