The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when it's the best time to plant daylily by reviewing the USDA zone info for Piedmont.

Planting Calendar for Daylily

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

You can plant daylily just a bit earlier in the year because they are moderately cold tolerant.

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

The last month that you can plant daylily and expect a good harvest is probably September. If you wait any later than that and your daylily may not have a chance to fully mature. If you are starting your daylily indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Piedmont. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Piedmont is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Piedmont it frosts late in the year after April 15 be ready to cover your daylily in the event of a surprise late frost.

USDA Zone Info for Piedmont

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Piedmont

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