One of the first steps you take when you are getting a good idea 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.

A way of figuring out when to plant lithospermum is to use the USDA zone info for Vidalia.

Planting Calendar for Lithospermum

Frost tolerance for lithospermum:	Not tolerant of frost.
When to plant:	After the last frost.

Since lithospermum do not do well in cold weather you have to wait until after the last frost before you can plant them.

The earliest that you can plant lithospermum in Vidalia is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant lithospermum and expect a good harvest is probably August. Any later than that and your lithospermum may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your lithospermum indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Vidalia. In the coldest months of winter you can expect an average low temperature of 15°F.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Vidalia and it changes from year to year. Half of the time in Vidalia you get surprised by a frost after March 15 so be sure to be ready to cover your lithospermum in the event of a surprise late frost.

USDA Zone Info for Vidalia

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Vidalia

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