One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Brunswick should be reffered to in order to determine when it's the best time to plant common hollyhock.

Planting Calendar for Common hollyhock

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

Common hollyhock are moderately cold tolerant which means that you can plant them earlier than more sensitive plants.

The earliest that you can plant common hollyhock in Brunswick 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 the last frost is on April 15 in Brunswick. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Brunswick is not always accurate the actual date of last frost will vary from year to year. Half of the time in Brunswick it frosts late in the year after April 15 so always be ready to cover your common hollyhock in the event of one of those late frosts.

USDA Zone Info for Brunswick

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 Brunswick

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