The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when to plant aubretia by using the USDA zone info for Wilmington.

Planting Calendar for Aubretia

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

Aubretia do ok in pretty solid cold which tells us that you can plant them much earlier in the year than more sensitive plants.

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

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Wilmington. You can expect an average low temperature of 0°F in the coldest months of winter.

Keep in mind that USDA zone info for Wilmington is an average and the actual date of last frost will vary from year to year. Half of the time in Wilmington last frost occurs after April 15 so be sure to be ready to protect your aubretia if you have a surprise late frost.

USDA Zone Info for Wilmington

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Wilmington

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