Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to determine when to plant flower-of-an-hour by reviewing the USDA zone info for New Bern.

Planting Calendar for Flower-of-an-Hour

Frost tolerance for flower-of-an-hour:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Flower-of-an-Hour are barely cold tolerant which tells us that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant flower-of-an-hour in New Bern 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 flower-of-an-hour and expect a good harvest is probably August. If you wait any later than that and your flower-of-an-hour may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your flower-of-an-hour indoors.

Last Frost Date

The average date of last frost is March 15 in New Bern. You can expect an average low temperature of 10°F in the coldest months of winter.

Remember that USDA zone info for New Bern is an average and the actual date of last frost changes from year to year. Half of the time in New Bern you get surprised by a frost after March 15 so make sure that you are prepared to protect your flower-of-an-hour in the event of a surprise late frost.

USDA Zone Info for New Bern

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 New Bern

You may be interested in your other planting guides for New Bern.