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

In Crest Hill you can estimate when it's the best time to plant peonies by using the USDA zone info.

Planting Calendar for Peonies

Frost tolerance for peonies:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant peonies a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant peonies in Crest Hill is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant peonies and expect a good harvest is probably August. Any later than that and your peonies may not have a chance to really do well. You can get started a little bit earlier by starting your peonies indoors.

Last Frost Date

The average date of last frost is April 15 in Crest Hill. It might get as low as -15°F during the coldest months of winter.

Keep in mind that USDA zone info for Crest Hill is an average and the actual date of last frost is different every year. Half of the time in Crest Hill you get surprised by a frost after April 15 so make sure that you are ready to protect your peonies in the event of a late frost.

USDA Zone Info for Crest Hill

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 Crest Hill

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