When to Plant Digitalis in Downers Grove, IL

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Downers Grove you can determine when it's a good idea to plant digitalis by referring to 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 earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant digitalis
Possibly ok, but a risky time to plant digitalis
Probably not a good time to plant digitalis

The earliest that you can plant digitalis in Downers Grove 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. Any later than that and your digitalis may not have a chance to really do well. You can get started a few weeks earlier by starting your digitalis indoors.

Last Frost Date

The average date of last frost is April 15 in Downers Grove. In the coldest months of winter you should expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Downers Grove is an average and the actual date of last frost changes from year to year. Half of the time in Downers Grove last frost occurs after April 15 so just be sure to be ready to protect your digitalis if you have one of those late frosts.

USDA Zone Info for Downers Grove

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 Downers Grove

You may be interested in your other planting guides for Downers Grove.