Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Hattiesburg you should be able to estimate when to plant crossandra.

Planting Calendar for Crossandra

Frost tolerance for crossandra:	Not tolerant of frost.
When to plant:	After the last frost.

Since crossandra are not cold tolerant you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant crossandra 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 crossandra and expect a good harvest is probably August. If you wait any later than that and your crossandra may not have a chance to fully mature. If you are starting your crossandra indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Hattiesburg may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Hattiesburg there is a last frost after March 15 be ready to cover your crossandra in the event of one of those late frosts.

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.