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.

You will be able to estimate when it's the best time to plant gayfeather by looking at the USDA zone info for Cullman.

Planting Calendar for Gayfeather

Frost tolerance for gayfeather:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant gayfeather much earlier in the year because they do well in cold.

The earliest that you can plant gayfeather in Cullman is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant gayfeather and expect a good harvest is probably September. If you wait any later than that and your gayfeather may not have a chance to grow to maturity. Starting your gayfeather indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Cullman. In the coldest months of winter you should expect an average low temperature of 5°F.

It's important to remember that USDA zone info for Cullman is an average and the actual date of last frost is different every year. Half of the time in Cullman there is a last frost after April 15 so make sure that you are ready to cover your gayfeather in the event of one of those late frosts.

USDA Zone Info for Cullman

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 Cullman

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