The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Oak Park should be looked at to determine when it's a good idea to plant digitalis.

Planting Calendar for Digitalis

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

Since digitalis do well in moderate cold you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant digitalis in Oak Park 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. You probably don't want to wait any later than that or else your digitalis may not have a chance to really do well. You can get started a little bit earlier by starting your digitalis indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Oak Park. It might get as low as -10°F during the coldest months of winter.

It's important to remember that USDA zone info for Oak Park may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Oak Park last frost occurs after April 15 be ready to protect your digitalis in the event of a late frost.

USDA Zone Info for Oak Park

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 Oak Park

You may be interested in your other planting guides for Oak Park.