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

A way of determining when to plant black eyed susans is to refer to the USDA zone info for Mexia.

Planting Calendar for Black Eyed Susans

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

Black Eyed Susans do not do well in cold weather which means that you have to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant black eyed susans in Mexia is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant black eyed susans and expect a good harvest is probably August. You probably don't want to wait any later than that or else your black eyed susans may not have a chance to really do well. You can get started a little bit earlier by starting your black eyed susans indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Mexia. In the coldest months of winter you can expect an average low temperature of 10°F.

It's important to remember that USDA zone info for Mexia is an average and the actual date of last frost changes from year to year. Since half of the time in Mexia you get surprised by a frost after March 15 be ready to protect your black eyed susans in the event of a late frost.

USDA Zone Info for Mexia

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Mexia

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