One of the first steps you take when you are figuring out 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 best time to plant common hollyhock in Rock Hill should be determined by referring to the USDA zone info.

Planting Calendar for Common hollyhock

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

You can plant common hollyhock a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant common hollyhock in Rock Hill 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 common hollyhock and expect a good harvest is probably September. You probably don't want to wait any later than that or else your common hollyhock may not have a chance to really do well. You can get started a couple of weeks earlier by starting your common hollyhock indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Rock Hill. You can expect an average low temperature of 10°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Rock Hill and it will vary from year to year. Since half of the time in Rock Hill you get surprised by a frost after March 15 be ready to protect your common hollyhock in the event of a late frost.

USDA Zone Info for Rock Hill

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 Rock Hill

You may be interested in your other planting guides for Rock Hill.