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 should be able to estimate when to plant polygonums by checking out the USDA zone info for Breaux Bridge.

Planting Calendar for Polygonums

Frost tolerance for polygonums:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably not a good idea to plant polygonums until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant polygonums in Breaux Bridge 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 polygonums and expect a good harvest is probably September. If you wait any later than that and your polygonums may not have a chance to fully mature. If you are starting your polygonums indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Just be sure to remember that USDA zone info for Breaux Bridge is just an average and the actual date of last frost changes from year to year. Since half of the time in Breaux Bridge last frost occurs after February 15 be ready to cover your polygonums if you have one of those late frosts.

USDA Zone Info for Breaux Bridge

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 Breaux Bridge

You may be interested in your other planting guides for Breaux Bridge.