When can I plant Cardinal Flower in Edna, TX

One of the first steps we take when we are making a decision about our gardening schedule is find our USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

It's a good idea to determine when to plant cardinal flower by looking at the USDA zone info for Edna.

Planting Calendar for Cardinal Flower

Frost tolerance for cardinal flower: Not tolerant of frost.
When you should plant them: After the last frost has passed.

Since cardinal flower require warm weather it's important to wait until after the last frost before you can plant them.

A good time to plant cardinal flower
Possibly ok, but a risky time to plant cardinal flower
Probably not a good time to plant cardinal flower

The earliest that you can plant cardinal flower in Edna is March. However, you really should wait until April 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 September. If you wait any later than that and your cardinal flower may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your cardinal flower indoors.

Last Frost Date

On average the last frost is on February 15 in Edna. In the coldest months of winter we can expect an average low temperature of 20°F.

Remember that our actual date of last frost is an average because it is based on the USDA zone info for Edna and it changes from year to year. Since half of the time in Edna we get a frost after February 15 be ready to cover your cardinal flower in the event of a surprise late frost.

USDA Zone Info for Edna

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low20°F
Highest Expected Low25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Edna

You may be interested in our other planting guides for Edna.