One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of determining when it's possible to plant jerusalem artichokes is to consult the USDA zone info for Orland Park.

Planting Calendar for Jerusalem artichokes

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

You can plant jerusalem artichokes a little bit earlier in the year because they do well in moderate cold.

The earliest that you can plant jerusalem artichokes in Orland Park 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. If you wait any later than that and your jerusalem artichokes may not have a chance to grow to maturity. Starting your jerusalem artichokes indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Orland Park. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Orland Park is just an average the actual date of last frost is different every year. Since half of the time in Orland Park you get a frost after April 15 be ready to protect your jerusalem artichokes if you have a late frost.

USDA Zone Info for Orland Park

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 Orland Park

You may be interested in your other planting guides for Orland Park.