Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when to plant echinacea is to look at the USDA zone info for Plaquemine.

Planting Calendar for Echinacea

Frost tolerance for echinacea:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Echinacea are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant echinacea in Plaquemine 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 echinacea and expect a good harvest is probably September. If you wait any later than that and your echinacea may not have a chance to really do well. Starting your echinacea indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Plaquemine. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Plaquemine is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Plaquemine last frost occurs after February 15 be ready to protect your echinacea if you have a surprise late frost.

USDA Zone Info for Plaquemine

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 Plaquemine

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