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When to Plant Jerusalem artichokes in Westmont, IL

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant jerusalem artichokes in Westmont can be estimated by looking at 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 are moderately cold tolerant you can plant them a little bit earlier in the year than more sensitive plants.

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 Westmont 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 grow to maturity. If you are starting your jerusalem artichokes indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Westmont is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Westmont you get a frost after April 15 be ready to protect your jerusalem artichokes if you have a late frost.

USDA Zone Info for Westmont

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 Westmont

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