One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

By looking at the USDA zone info for Rocky Mount you should be able to determine when it's a good idea to plant salsify.

Planting Calendar for Salsify

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

Salsify do well in some cold which tells us that you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant salsify 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 salsify and expect a good harvest is probably August. If you wait any later than that and your salsify may not have a chance to really do well. You can get started a few weeks earlier by starting your salsify indoors.

Last Frost Date

The average date of last frost is April 15 in Rocky Mount. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Rocky Mount is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Rocky Mount it frosts late in the year after April 15 so make sure that you are prepared to protect your salsify if you have one of those late frosts.

USDA Zone Info for Rocky Mount

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Rocky Mount

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