Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Winnsboro should be reviewed to figure out when you can plant lithospermum.

Planting Calendar for Lithospermum

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

It's probably a bad idea to plant lithospermum until after the last frost because they do not do well in cold weather.

The earliest that you can plant lithospermum in Winnsboro 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. If you wait any later than that and your lithospermum may not have a chance to really do well. If you are starting your lithospermum indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Winnsboro. You can expect an average low temperature of 15°F in the coldest months of winter.

Remember that USDA zone info for Winnsboro is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Winnsboro there is a last frost after March 15 so always be ready to cover your lithospermum in the event of a late frost.

USDA Zone Info for Winnsboro

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 Winnsboro

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