The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when to plant common hollyhock by referring to the USDA zone info for Sturgis.

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 get them planted earlier than other frost tender plants.

The earliest that you can plant common hollyhock in Sturgis 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. If you wait any later than that and your common hollyhock may not have a chance to really do well. You can get started a little bit earlier by starting your common hollyhock indoors.

Last Frost Date

On average the last frost is on April 15 in Sturgis. It might get as low as -15°F during the coldest months of winter.

Keep in mind that USDA zone info for Sturgis may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Sturgis there is a last frost after April 15 be ready to cover your common hollyhock if you have a surprise late frost.

USDA Zone Info for Sturgis

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Sturgis

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