One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when it's the best time to plant marigold by referring to the USDA zone info for Dothan.

Planting Calendar for Marigold

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

Marigold are not cold tolerant which tells us that it is necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant marigold in Dothan 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 marigold and expect a good harvest is probably August. You probably don't want to wait any later than that or else your marigold may not have a chance to really do well. You can get started a little bit earlier by starting your marigold indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Dothan is not always accurate and the actual date of last frost changes from year to year. Half of the time in Dothan last frost occurs after March 15 so make sure that you are prepared to cover your marigold in the event of a surprise late frost.

USDA Zone Info for Dothan

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 Dothan

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