Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of figuring out when you can plant asparagus is to use the USDA zone info for Wilmington.

Planting Calendar for Asparagus

Frost tolerance for asparagus:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since asparagus are very cold tolerant you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant asparagus in Wilmington 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 asparagus and expect a good harvest is probably September. Any later than that and your asparagus may not have a chance to fully mature. You can get started a little bit earlier by starting your asparagus indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Wilmington is just an average and the actual date of last frost changes from year to year. Half of the time in Wilmington it frosts late in the year after March 15 so make sure that you are ready to cover your asparagus in the event of one of those late frosts.

USDA Zone Info for Wilmington

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 Wilmington

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