One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant jerusalem artichokes in Victoria should be figured out by using 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.

Jerusalem artichokes can survive in a little bit of cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant jerusalem artichokes in Victoria 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 fully mature. 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 Victoria. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Victoria may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Victoria there is a last frost after May 15 so be sure to be ready to cover your jerusalem artichokes in the event of one of those late frosts.

USDA Zone Info for Victoria

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 Victoria

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