One of the best tools that you have as gardeners to help us estimate 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 best time to plant alternanthera in Miami should be determined by checking out the USDA zone info.

Planting Calendar for Alternanthera

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

It's probably not a good idea to plant alternanthera until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant alternanthera in Miami 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 alternanthera and expect a good harvest is probably November. Any later than that and your alternanthera may not have a chance to fully mature. If you are starting your alternanthera indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Miami it never frosts. In the coldest months of winter you can expect an average low temperature of 40°F.

Keep in mind that USDA zone info for Miami is an average and the actual date of last frost changes from year to year. Since it never frosts in Miami you do not have to be ready to cover your alternanthera in the event of a late frost.

USDA Zone Info for Miami

Here is the info for USDA Zone 11a.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	40°F
Highest Expected Low	45°F

This means that on a really cold year, the coldest it will get is 40°F. On most years you should be prepared to experience lows near 45°F.

Plants to Grow in Miami

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