One of the first steps you take when you are getting a good idea 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.

The earliest that you can plant oregano in Piedmont can be figured out by reviewing the USDA zone info.

Planting Calendar for Oregano

Frost tolerance for oregano:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant oregano a little earlier in the year because they do well in moderate cold.

The earliest that you can plant oregano in Piedmont is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant oregano and expect a good harvest is probably October. Any later than that and your oregano may not have a chance to really do well. If you are starting your oregano indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Piedmont. It might get as low as 30°F during the coldest months of winter.

Keep in mind that USDA zone info for Piedmont is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Piedmont you get surprised by a frost after January 31 be ready to protect your oregano if you have one of those late frosts.

USDA Zone Info for Piedmont

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Piedmont

You may be interested in your other planting guides for Piedmont.