Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to estimate when it's the best time to plant jerusalem artichokes by referring to the USDA zone info for Chanhassen.

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 little earlier in the year than other frost tender plants.

The earliest that you can plant jerusalem artichokes in Chanhassen is March. However, you really should wait until April 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 August. Any later than that and your jerusalem artichokes may not have a chance to really do well. You can get started a few weeks earlier by starting your jerusalem artichokes indoors.

Last Frost Date

The average date of last frost is May 15 in Chanhassen. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Chanhassen is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Chanhassen last frost occurs after May 15 so always be ready to protect your jerusalem artichokes in the event of one of those late frosts.

USDA Zone Info for Chanhassen

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Chanhassen

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