The USDA Zone info is a great tool for gardeners to help us figure out your gardening 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 figure out when it's a good idea to plant trifolium by looking at the USDA zone info for Southern Pines.

Planting Calendar for Trifolium

Frost tolerance for trifolium:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Trifolium do ok in moderate cold which tells us that you can start planting them slightly earlier than more sensitive plants.

The earliest that you can plant trifolium in Southern Pines is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant trifolium and expect a good harvest is probably August. If you wait any later than that and your trifolium may not have a chance to really do well. You can get started a few weeks earlier by starting your trifolium indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Southern Pines. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Southern Pines is just an average the actual date of last frost changes from year to year. Since half of the time in Southern Pines last frost occurs after March 15 be ready to cover your trifolium in the event of a late frost.

USDA Zone Info for Southern Pines

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 Southern Pines

You may be interested in your other planting guides for Southern Pines.