Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's a good idea to plant trachelium in Honolulu by referring to the USDA zone info.

Planting Calendar for Trachelium

Frost tolerance for trachelium:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You can not plant trachelium until after the last frost because they are not cold tolerant.

The earliest that you can plant trachelium 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 trachelium and expect a good harvest is probably November. If you wait any later than that and your trachelium may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your trachelium indoors.

Last Frost Date

In Honolulu it never frosts. It might get as low as 50°F during the coldest months of winter.

Remember that USDA zone info for Honolulu is not always accurate and the actual date of last frost changes from year to year. Since it never frosts in Honolulu you do not have to be ready to cover your trachelium 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.