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

The USDA zone info for Tuscumbia should be used to determine when you can plant cardinal flower.

Planting Calendar for Cardinal Flower

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

Cardinal Flower are not cold tolerant which tells us that you must 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 Tuscumbia is April. However, you really should wait until May 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 August. Any later than that and your cardinal flower may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your cardinal flower indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Tuscumbia. In the coldest months of winter you can expect an average low temperature of 5°F.

It's important to remember that USDA zone info for Tuscumbia may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Tuscumbia there is a last frost after April 15 be ready to cover your cardinal flower if you have a surprise late frost.

USDA Zone Info for Tuscumbia

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Tuscumbia

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