Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when it's a good idea to plant hollyhocks by using the USDA zone info for Hazel Crest.

Planting Calendar for Hollyhocks

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

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

The earliest that you can plant hollyhocks in Hazel Crest 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 hollyhocks and expect a good harvest is probably September. Any later than that and your hollyhocks may not have a chance to fully mature. You can get started a little bit earlier by starting your hollyhocks indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Hazel Crest. You can expect an average low temperature of -15°F in the coldest months of winter.

Remember that USDA zone info for Hazel Crest is an average and the actual date of last frost will vary from year to year. Half of the time in Hazel Crest last frost occurs after April 15 so be sure to be ready to protect your hollyhocks if you have a late frost.

USDA Zone Info for Hazel Crest

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 Hazel Crest

You may be interested in your other planting guides for Hazel Crest.