One of the best tools that you have as gardeners to help us estimate 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.

A way of determining when you can plant marigold is to use the USDA zone info for Biloxi.

Planting Calendar for Marigold

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

It's probably a bad idea to plant marigold until after the last frost has passed because they require warm weather.

The earliest that you can plant marigold in Biloxi 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 marigold and expect a good harvest is probably September. If you wait any later than that and your marigold may not have a chance to really do well. You can get started a few weeks earlier by starting your marigold indoors.

Last Frost Date

In Biloxi the average date of last frost happens on February 15. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Biloxi is an average the actual date of last frost changes from year to year. Since half of the time in Biloxi you get surprised by a frost after February 15 be ready to protect your marigold if you have one of those late frosts.

USDA Zone Info for Biloxi

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Biloxi

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