One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Lafayette you will be able to estimate when it's possible to plant black eyed susans.

Planting Calendar for Black Eyed Susans

Frost tolerance for black eyed susans:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's a bad idea to plant black eyed susans until after the last frost because they do not do well in cold weather.

The earliest that you can plant black eyed susans in Lafayette 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 black eyed susans and expect a good harvest is probably September. If you wait any later than that and your black eyed susans may not have a chance to really do well. Starting your black eyed susans indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Lafayette. It might get as low as 25°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Lafayette is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Lafayette there is a last frost after February 15 be ready to protect your black eyed susans in the event of a surprise late frost.

USDA Zone Info for Lafayette

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Lafayette

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