When to Plant Anchusa in Antioch, 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.

You should be able to estimate when to plant anchusa by checking out the USDA zone info for Antioch.

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Planting Calendar for Anchusa

Frost tolerance for anchusa: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

You can plant anchusa quite a bit earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

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

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

Last Frost Date

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

Just be sure to remember that USDA zone info for Antioch is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Antioch you get a frost after April 15 so make sure that you are ready to cover your anchusa if you have a late frost.

USDA Zone Info for Antioch

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 Antioch

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