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.

You should be able to determine when it's the best time to plant penstemon by checking out the USDA zone info for Laurinburg.

Planting Calendar for Penstemon

Frost tolerance for penstemon:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Penstemon do well in moderate cold which means that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant penstemon in Laurinburg is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant penstemon and expect a good harvest is probably September. You probably don't want to wait any later than that or else your penstemon may not have a chance to fully mature. You can get started a few weeks earlier by starting your penstemon indoors.

Last Frost Date

On average the last frost is on March 15 in Laurinburg. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Laurinburg is just an average the actual date of last frost changes from year to year. Half of the time in Laurinburg last frost occurs after March 15 so be sure to be ready to cover your penstemon if you have one of those late frosts.

USDA Zone Info for Laurinburg

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 Laurinburg

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