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 will be able to determine when it's a good idea to plant jerusalem artichokes by looking at the USDA zone info for Hawaiian Gardens.

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 ok in moderate cold which tells us that you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant jerusalem artichokes in Hawaiian Gardens 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. You probably don't want to wait any later than that or else 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

On average the last frost when the weather gets warmer is on January 31 in Hawaiian Gardens. It might get as low as 35°F during the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Hawaiian Gardens and it is different every year. Since half of the time in Hawaiian Gardens last frost occurs after January 31 be ready to protect your jerusalem artichokes if you have a surprise late frost.

USDA Zone Info for Hawaiian Gardens

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Hawaiian Gardens

You may be interested in your other planting guides for Hawaiian Gardens.