When to Plant Doronicum in Blue Island, IL

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Blue Island you can determine when you can plant doronicum by using the USDA zone info.

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Planting Calendar for Doronicum

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

Doronicum do well in mild cold which tells us that you can plant them a little bit earlier in the year than other frost tender plants.

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

The earliest that you can plant doronicum in Blue Island 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 doronicum and expect a good harvest is probably September. If you wait any later than that and your doronicum may not have a chance to fully mature. You can get started a few weeks earlier by starting your doronicum indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Blue Island. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Blue Island is just an average the actual date of last frost will vary from year to year. Half of the time in Blue Island you get a frost after April 15 so make sure that you are prepared to protect your doronicum in the event of a late frost.

USDA Zone Info for Blue Island

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 Blue Island

You may be interested in your other planting guides for Blue Island.