One of the first steps you take when you are estimating your gardening schedule is find your 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 determine when it's possible to plant black eyed susans by using the USDA zone info for Mccomb.

Planting Calendar for Black Eyed Susans

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

You really shouldn't plant black eyed susans until after the last frost because they require warm weather.

The earliest that you can plant black eyed susans in Mccomb 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 grow to maturity. 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 is on March 15 in Mccomb. You can expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Mccomb is just an average the actual date of last frost changes from year to year. Half of the time in Mccomb last frost occurs after March 15 so just be sure to be ready to protect your black eyed susans in the event of one of those late frosts.

USDA Zone Info for Mccomb

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Mccomb

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