One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant aurinia in Wilmington should be determined by looking at the USDA zone info.

Planting Calendar for Aurinia

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

Aurinia are very cold tolerant which tells us that you can plant them a quite a bit earlier than other frost tender plants.

The earliest that you can plant aurinia 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 aurinia and expect a good harvest is probably September. If you wait any later than that and your aurinia may not have a chance to really do well. If you are starting your aurinia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Wilmington. It might get as low as -10°F during the coldest months of winter.

Always keep in mind that USDA zone info for Wilmington is an average and the actual date of last frost changes from year to year. Since half of the time in Wilmington it frosts late in the year after April 15 be ready to cover your aurinia in the event of a surprise late frost.

USDA Zone Info for Wilmington

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Wilmington

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