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 figure out when it's a good idea to plant digitalis by using the USDA zone info.

Planting Calendar for Digitalis

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

You can plant digitalis a little bit earlier in the year because they do well in moderate cold.

The earliest that you can plant digitalis in Crest Hill 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 digitalis and expect a good harvest is probably September. If you wait any later than that and your digitalis may not have a chance to grow to maturity. Starting your digitalis indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Crest Hill the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Crest Hill is not always accurate the actual date of last frost is different every year. Half of the time in Crest Hill it frosts late in the year after April 15 so always be ready to cover your digitalis if you have a surprise 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.