One of the first steps you take when you are getting a good idea 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.

In Hattiesburg you can estimate when to plant alternaria by using the USDA zone info.

Planting Calendar for Alternaria

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

It's probably not a good idea to plant alternaria until after the last frost because they require warm weather.

The earliest that you can plant alternaria in Hattiesburg 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 alternaria and expect a good harvest is probably August. Any later than that and your alternaria may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your alternaria indoors.

Last Frost Date

The average date of last frost is March 15 in Hattiesburg. You should expect an average low temperature of 15°F in the coldest months of winter.

Keep in mind that USDA zone info for Hattiesburg is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Hattiesburg you get surprised by a frost after March 15 so just be sure to be ready to cover your alternaria if you have a surprise late frost.

USDA Zone Info for Hattiesburg

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 Hattiesburg

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