One of the best tools that you have as gardeners to help us estimate 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.

By looking at the USDA zone info for Donaldsonville you should be able to figure out when to plant gayfeather.

Planting Calendar for Gayfeather

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

Gayfeather are one of those plants that can tolerate quite a bit of cold weather which tells us that you can get them planted much earlier than plants that are more sensitive to the cold.

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

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

Last Frost Date

In Donaldsonville the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 20°F.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Donaldsonville and it can change quite a bit from year to year. Since half of the time in Donaldsonville you get a frost after February 15 be ready to cover your gayfeather if you have a surprise late frost.

USDA Zone Info for Donaldsonville

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 Low	20°F
Highest Expected Low	25°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 Donaldsonville

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