Before planting it is a good idea to find your USDA Zone info to figure out 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.

You can determine when to plant jerusalem artichokes in Winona by reviewing 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 little bit earlier in the year than other frost tender plants.

The earliest that you can plant jerusalem artichokes in Winona 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 really do well. If you are starting your jerusalem artichokes indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Winona. In the coldest months of winter you can expect an average low temperature of 5°F.

Just be sure to remember that USDA zone info for Winona may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Winona there is a last frost after April 15 so always be ready to protect your jerusalem artichokes if you have one of those late frosts.

USDA Zone Info for Winona

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Winona

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