Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when it's possible to plant cardinal flower is to refer to the USDA zone info for Girard.

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 do not do well in cold weather which means that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant cardinal flower in Girard 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 really do well. You can get started a few weeks earlier by starting your cardinal flower indoors.

Last Frost Date

The average date of last frost is April 15 in Girard. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Girard is just an average the actual date of last frost is different every year. Since half of the time in Girard it frosts late in the year after April 15 be ready to cover your cardinal flower in the event of a late frost.

USDA Zone Info for Girard

Here is the info for USDA Zone 6a.

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

Plants to Grow in Girard

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