One of the first steps you take when you are estimating 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.

It's possible to determine when you can plant common hollyhock by referring to the USDA zone info for New Baltimore.

Planting Calendar for Common hollyhock

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

Since common hollyhock are moderately cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant common hollyhock in New Baltimore 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 grow to maturity. Starting your common hollyhock indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in New Baltimore. You can expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that USDA zone info for New Baltimore is not always accurate and the actual date of last frost will vary from year to year. Half of the time in New Baltimore you get a frost after April 15 so make sure that you are ready to protect your common hollyhock if you have one of those late frosts.

USDA Zone Info for New Baltimore

Here is the info for USDA Zone 6a.

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

Plants to Grow in New Baltimore

You may be interested in your other planting guides for New Baltimore.