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.

A way of making a decision about when you can plant cardinal flower is to examine the USDA zone info for Haltom City.

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 are not cold tolerant you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant cardinal flower in Haltom City 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. If you wait any later than that and your cardinal flower may not have a chance to really do well. You can get started a little bit earlier by starting your cardinal flower indoors.

Last Frost Date

The average date of last frost is March 15 in Haltom City. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Haltom City is an average the actual date of last frost is different every year. Half of the time in Haltom City it frosts late in the year after March 15 so be sure to be ready to cover your cardinal flower in the event of a surprise late frost.

USDA Zone Info for Haltom City

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 Haltom City

You may be interested in your other planting guides for Haltom City.