One of the first steps you take when you are figuring out your gardening schedule is find your 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.

You will be able to figure out when to plant cardinal flower by referring to the USDA zone info for Millington.

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 require warm weather which tells us that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant cardinal flower in Millington 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. Starting your cardinal flower indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Millington. In the coldest months of winter you can expect an average low temperature of 5°F.

Since the USDA zone info for Millington is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Millington last frost occurs after April 15 so make sure that you are prepared to cover your cardinal flower in the event of one of those late frosts.

USDA Zone Info for Millington

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 Millington

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