The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Oak Island you can determine when it's the best time to plant calliopsis by reviewing the USDA zone info.

Planting Calendar for Calliopsis

Frost tolerance for calliopsis:	Not tolerant of frost.
When to plant:	After the last frost.

You can not plant calliopsis until after the last frost because they require warm weather.

The earliest that you can plant calliopsis in Oak Island is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant calliopsis and expect a good harvest is probably August. You probably don't want to wait any later than that or else your calliopsis may not have a chance to really do well. Starting your calliopsis indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Oak Island. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Oak Island is just an average the actual date of last frost is different every year. Half of the time in Oak Island it frosts late in the year after March 15 so be sure to be ready to cover your calliopsis in the event of a surprise late frost.

USDA Zone Info for Oak Island

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 Oak Island

You may be interested in your other planting guides for Oak Island.