Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. 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 coral bells in Wilmington can be determined by using the USDA zone info.

Planting Calendar for Coral Bells

Frost tolerance for coral bells:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant coral bells just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant coral bells 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 coral bells and expect a good harvest is probably September. You probably don't want to wait any later than that or else your coral bells may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your coral bells indoors.

Last Frost Date

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

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Wilmington and it can change quite a bit from year to year. Half of the time in Wilmington last frost occurs after April 15 so make sure that you are prepared to cover your coral bells in the event of a late frost.

USDA Zone Info for Wilmington

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Wilmington

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