Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant heliotrope in Kill Devil Hills should be determined by checking out the USDA zone info.

Planting Calendar for Heliotrope

Frost tolerance for heliotrope:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You should not plant heliotrope until after the last frost because they do not do well in cold weather.

The earliest that you can plant heliotrope in Kill Devil Hills 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 heliotrope and expect a good harvest is probably August. You probably don't want to wait any later than that or else your heliotrope may not have a chance to really do well. If you are starting your heliotrope indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Kill Devil Hills. You should expect an average low temperature of 15°F in the coldest months of winter.

Keep in mind that USDA zone info for Kill Devil Hills is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Kill Devil Hills you get surprised by a frost after March 15 be ready to protect your heliotrope in the event of one of those late frosts.

USDA Zone Info for Kill Devil Hills

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Kill Devil Hills

You may be interested in your other planting guides for Kill Devil Hills.