The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Milan can be read to estimate when to plant jerusalem artichokes.

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 earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant jerusalem artichokes in Milan 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. Starting your jerusalem artichokes indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Milan is just an average and the actual date of last frost is different every year. Since half of the time in Milan last frost occurs after April 15 be ready to protect your jerusalem artichokes in the event of a surprise late frost.

USDA Zone Info for Milan

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 Milan

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