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.

The first chance to plant cardinal flower in Nashville can be estimated by looking at the USDA zone info.

Planting Calendar for Cardinal Flower

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

Since cardinal flower require warm weather you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant cardinal flower in Nashville 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. You probably don't want to wait any later than that or else your cardinal flower may not have a chance to really do well. 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 March 15 in Nashville. It might get as low as 10°F during the coldest months of winter.

Keep in mind that USDA zone info for Nashville is not always accurate and the actual date of last frost is different every year. Since half of the time in Nashville there is a last frost after March 15 be ready to cover your cardinal flower in the event of one of those late frosts.

USDA Zone Info for Nashville

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Nashville

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