The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when it's the best time to plant cardinal flower in Iowa Park by referring to 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 has passed.

Since cardinal flower do not do well in cold weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant cardinal flower in Iowa Park 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 Iowa Park. You should expect an average low temperature of 5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Iowa Park is just an average and the actual date of last frost is different every year. Half of the time in Iowa Park it frosts late in the year after April 15 so just be sure to be ready to cover your cardinal flower if you have a late frost.

USDA Zone Info for Iowa Park

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 Iowa Park

You may be interested in your other planting guides for Iowa Park.