One of the first steps you take when you are figuring out 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.

A way of making a decision about when it's the best time to plant jerusalem artichokes is to examine the USDA zone info for Dublin.

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 tend to make it in mild cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant jerusalem artichokes in Dublin is January. However, you really should wait until February 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 October. If you wait any later than that and your jerusalem artichokes may not have a chance to really do well. 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 when the weather gets warmer is on February 15 in Dublin. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Dublin is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Dublin it frosts late in the year after February 15 be ready to cover your jerusalem artichokes if you have a surprise late frost.

USDA Zone Info for Dublin

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Dublin

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