One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to estimate when it's the best time to plant hibiscus by checking out the USDA zone info for Key West.

Planting Calendar for Hibiscus

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

It's probably a bad idea to plant hibiscus until after the last frost because they do not do well in cold weather.

The earliest that you can plant hibiscus in Key West 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 hibiscus and expect a good harvest is probably November. You probably don't want to wait any later than that or else your hibiscus may not have a chance to really do well. If you are starting your hibiscus indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Key West it never frosts. In the coldest months of winter you should expect an average low temperature of 45°F.

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

USDA Zone Info for Key West

Here is the info for USDA Zone 11b.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	45°F
Highest Expected Low	50°F

This means that on a really cold year, the coldest it will get is 45°F. On most years you should be prepared to experience lows near 50°F.

Plants to Grow in Key West

You may be interested in your other planting guides for Key West.