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.

The best time to plant lithospermum in Zone 13a should be figured out by reviewing the USDA zone info.

Planting Calendar for Lithospermum

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

It's probably not a good idea to plant lithospermum until after all chance of frost has passed because they require warm weather.

The earliest that you can plant lithospermum in Zone 13a is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant lithospermum and expect a good harvest is probably November. You probably don't want to wait any later than that or else your lithospermum may not have a chance to fully mature. If you are starting your lithospermum indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Zone 13a it never frosts. In the coldest months of winter you can expect an average low temperature of 60°F.

It's important to remember that USDA zone info for Zone 13a is not always accurate and the actual date of last frost will vary from year to year. Since it never frosts in Zone 13a you do not have to be ready to cover your lithospermum if you have a surprise late frost.

USDA Zone Info for Zone 13a

Here is the info for USDA Zone 13a.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	60°F
Highest Expected Low	65°F

This means that on a really cold year, the coldest it will get is 60°F. On most years you should be prepared to experience lows near 65°F.

Plants to Grow in Zone 13a

You may be interested in your other planting guides for Zone 13a.