When to Plant Sunflowers in Rocky Mount, NC

One of the first steps you take when you are determining your gardening schedule is find your 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.

You can estimate when you can plant sunflowers in Rocky Mount by checking out the USDA zone info.


Planting Calendar for Sunflowers

Frost tolerance for sunflowers: Not tolerant of frost.
When to plant: After the last frost has passed.

You really shouldn't plant sunflowers until after the last frost because they are not cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant sunflowers
Possibly ok, but a risky time to plant sunflowers
Probably not a good time to plant sunflowers

The earliest that you can plant sunflowers in Rocky Mount 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 sunflowers and expect a good harvest is probably August. If you wait any later than that and your sunflowers may not have a chance to grow to maturity. If you are starting your sunflowers indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Just be sure to remember that USDA zone info for Rocky Mount may not be accurate from year to year and the actual date of last frost is different every 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 sunflowers in the event of a 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 Low10°F
Highest Expected Low15°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.