One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Pine Bluff you can estimate when you can plant lithospermum by referring to the USDA zone info.

Planting Calendar for Lithospermum

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

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

The earliest that you can plant lithospermum in Pine Bluff 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 few weeks earlier by starting your lithospermum indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Pine Bluff. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Pine Bluff is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Pine Bluff there is a last frost after March 15 so make sure that you are prepared to cover your lithospermum if you have a late frost.

USDA Zone Info for Pine Bluff

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 Pine Bluff

You may be interested in your other planting guides for Pine Bluff.