The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when it's possible to plant cardinal flower is to use the USDA zone info for Marco Island.

Planting Calendar for Cardinal Flower

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

Cardinal Flower do not do well in cold weather which tells us that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant cardinal flower in Marco Island is February. However, you really should wait until March 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 September. If you wait any later than that and your cardinal flower may not have a chance to fully mature. You can get started a few weeks earlier by starting your cardinal flower indoors.

Last Frost Date

The average date of last frost is January 31 in Marco Island. You can expect an average low temperature of 30°F in the coldest months of winter.

Always keep in mind that USDA zone info for Marco Island is an average and the actual date of last frost will vary from year to year. Half of the time in Marco Island there is a last frost after January 31 so just be sure to be ready to cover your cardinal flower in the event of one of those late frosts.

USDA Zone Info for Marco Island

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Marco Island

You may be interested in your other planting guides for Marco Island.