When to Plant Digitalis in Wilmington, IL

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.

It's possible to determine when it's possible to plant digitalis by looking at the USDA zone info for Wilmington.

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Planting Calendar for Digitalis

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

Digitalis can survive in a little bit of cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

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 Wilmington 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 fully mature. You can get started a couple of weeks earlier by starting your digitalis indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Wilmington. In the coldest months of winter you should expect an average low temperature of -15°F.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Wilmington and it can change quite a bit from year to year. Half of the time in Wilmington last frost occurs after April 15 so be sure to be ready to protect your digitalis if you have a surprise late frost.

USDA Zone Info for Wilmington

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 Wilmington

You may be interested in your other planting guides for Wilmington.