One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 earliest that you can plant endive in Honolulu can be determined by looking at the USDA zone info.

Planting Calendar for Endive

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

Endive do well in moderate cold which tells us that you can plant them earlier than other frost tender plants.

The earliest that you can plant endive in Honolulu 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 endive and expect a good harvest is probably November. If you wait any later than that and your endive may not have a chance to grow to maturity. If you are starting your endive indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Honolulu it never frosts. You can expect an average low temperature of 50°F in the coldest months of winter.

Since the USDA zone info for Honolulu is not always accurate the actual date of last frost will vary from year to year. Since it never frosts in Honolulu you do not have to be ready to protect your endive if you have a surprise late frost.

USDA Zone Info for Honolulu

Here is the info for USDA Zone 12a.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	50°F
Highest Expected Low	55°F

This means that on a really cold year, the coldest it will get is 50°F. On most years you should be prepared to experience lows near 55°F.

Plants to Grow in Honolulu

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