One of the first steps you take when you are determining your gardening schedule is find your 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 Stone Mountain can be reffered to in order to figure out when to plant lupine.

Planting Calendar for Lupine

Frost tolerance for lupine:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Lupine are moderately cold tolerant which tells us that you can get them planted earlier than more sensitive plants.

The earliest that you can plant lupine 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 lupine and expect a good harvest is probably September. Any later than that and your lupine may not have a chance to fully mature. Starting your lupine indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Stone Mountain the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of 5°F.

Since the USDA zone info for Stone Mountain is just an average the actual date of last frost is different every year. Since half of the time in Stone Mountain there is a last frost after April 15 be ready to protect your lupine in the event of one of those late frosts.

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.