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 USDA zone info for Vincennes can be used to estimate when it's a good idea 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 bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant jerusalem artichokes in Vincennes 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. You can get started a little bit earlier by starting your jerusalem artichokes indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Vincennes. It might get as low as -10°F during the coldest months of winter.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Vincennes and it will vary from year to year. Since half of the time in Vincennes you get surprised by a frost after April 15 be ready to cover your jerusalem artichokes if you have a late frost.

USDA Zone Info for Vincennes

Here is the info for USDA Zone 6a.

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

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

Plants to Grow in Vincennes

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