Before planting it is a good idea to find your USDA Zone info to estimate 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.

By reviewing the USDA zone info for Honolulu it's a good idea to figure out when you can plant black pepper.

Planting Calendar for Black pepper

Frost tolerance for black pepper:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's probably not a good idea to plant black pepper until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant black pepper 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 black pepper and expect a good harvest is probably November. Any later than that and your black pepper may not have a chance to grow to maturity. If you are starting your black pepper indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Honolulu and it will vary from year to year. Since it never frosts in Honolulu you do not have to be ready to protect your black pepper if you have one of those late frosts.

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.