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.

The first chance to plant bells of ireland in Wilmington can be determined by using the USDA zone info.

Planting Calendar for Bells of Ireland

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

You can plant bells of ireland just a tiny bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant bells of ireland in Wilmington 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 bells of ireland and expect a good harvest is probably August. You probably don't want to wait any later than that or else your bells of ireland may not have a chance to really do well. You can get started a little bit earlier by starting your bells of ireland 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 USDA zone info for Wilmington is an average and the actual date of last frost is different every year. Half of the time in Wilmington it frosts late in the year after April 15 so make sure that you are prepared to protect your bells of ireland in the event of a surprise 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.