One of the best tools that you have as gardeners to help us determine 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.

By using the USDA zone info for Miami Beach you will be able to determine when to plant cardinal flower.

Planting Calendar for Cardinal Flower

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

It's probably not a good idea to plant cardinal flower until after the last frost when the weather gets warmer because they are not cold tolerant.

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

Last Frost Date

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

Since the USDA zone info for Miami Beach is just an average the actual date of last frost will vary from year to year. Since it never frosts in Miami Beach you do not have to be ready to protect your cardinal flower if you have one of those late frosts.

USDA Zone Info for Miami Beach

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 Beach

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