Before planting it is a good idea to find your USDA Zone info to estimate 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.

A way of making a decision about when it's possible to plant lithospermum is to use the USDA zone info for Ashdown.

Planting Calendar for Lithospermum

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

Lithospermum do not do well in cold weather which means that you must wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant lithospermum in Ashdown 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. You probably don't want to wait any later than that or else 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 is on March 15 in Ashdown. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for Ashdown is not always accurate the actual date of last frost is different every year. Half of the time in Ashdown you get a frost after March 15 so always be ready to cover your lithospermum in the event of one of those late frosts.

USDA Zone Info for Ashdown

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Ashdown

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