One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 Southern Pines you can figure out when you can plant astilbe by reviewing the USDA zone info.

Planting Calendar for Astilbe

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

Since astilbe are barely cold tolerant you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant astilbe 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 astilbe and expect a good harvest is probably August. You probably don't want to wait any later than that or else your astilbe may not have a chance to fully mature. Starting your astilbe indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on March 15 in Southern Pines. It might get as low as 10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Southern Pines may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Southern Pines last frost occurs after March 15 so just be sure to be ready to cover your astilbe in the event of a surprise 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.