One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Rocky Mount can be used to figure out when it's a good idea to plant gomphrena.

Planting Calendar for Gomphrena

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

Gomphrena tend to make it in mild cold which tells us that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant gomphrena in Rocky Mount 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 gomphrena and expect a good harvest is probably August. You probably don't want to wait any later than that or else your gomphrena may not have a chance to fully mature. You can get started a few weeks earlier by starting your gomphrena indoors.

Last Frost Date

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

Since the USDA zone info for Rocky Mount may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Rocky Mount you get surprised by a frost after March 15 so be sure to be ready to protect your gomphrena if you have a surprise late frost.

USDA Zone Info for Rocky Mount

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 Rocky Mount

You may be interested in your other planting guides for Rocky Mount.