One of the first steps you take when you are determining 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.

The USDA zone info for Hattiesburg should be reviewed to figure out when it's a good idea to plant morning glory.

Planting Calendar for Morning Glory

Frost tolerance for morning glory:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since morning glory are not cold tolerant it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant morning glory 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 morning glory and expect a good harvest is probably August. You probably don't want to wait any later than that or else your morning glory may not have a chance to grow to maturity. If you are starting your morning glory indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Hattiesburg is just an average the actual date of last frost will vary from year to year. Since half of the time in Hattiesburg you get a frost after March 15 be ready to protect your morning glory in the event of 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.