One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to estimate when it's the best time to plant jerusalem artichokes by referring to the USDA zone info for New Brunswick.

Planting Calendar for Jerusalem artichokes

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

Jerusalem artichokes do well in moderate cold which tells us that you can get them planted earlier than plants that are more sensitive to the cold.

The earliest that you can plant jerusalem artichokes in New Brunswick 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 really do well. You can get started a couple of weeks earlier by starting your jerusalem artichokes indoors.

Last Frost Date

In New Brunswick the average date of last frost happens on April 15. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for New Brunswick is an average the actual date of last frost will vary from year to year. Half of the time in New Brunswick you get a frost after April 15 so be sure to be ready to cover your jerusalem artichokes if you have one of those late frosts.

USDA Zone Info for New Brunswick

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in New Brunswick

You may be interested in your other planting guides for New Brunswick.