frostdate name logo in white
frostdate name logo in white

When to Plant Jerusalem artichokes in Jacksonville, IL

The USDA Zone info is a great tool for gardeners to help us estimate 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.

In Jacksonville you can determine when you can plant jerusalem artichokes by referring to the USDA zone info.


Planting Calendar for Jerusalem artichokes

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

Since jerusalem artichokes do well in moderate cold you can plant them a bit earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant jerusalem artichokes in Jacksonville 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 jerusalem artichokes and expect a good harvest is probably September. You probably don't want to wait any later than that or else your jerusalem artichokes may not have a chance to fully mature. If you are starting your jerusalem artichokes indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Jacksonville. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Jacksonville is not always accurate the actual date of last frost is different every year. Since half of the time in Jacksonville you get a frost after April 15 be ready to protect your jerusalem artichokes if you have a late frost.

USDA Zone Info for Jacksonville

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 Jacksonville

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