The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when it's possible to plant marigold by looking at the USDA zone info for Thomasville.

Planting Calendar for Marigold

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

Since marigold require warm weather it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant marigold in Thomasville 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. If you wait any later than that and your marigold may not have a chance to grow to maturity. Starting your marigold indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Thomasville is not always accurate the actual date of last frost is different every year. Since half of the time in Thomasville last frost occurs after March 15 be ready to protect your marigold if you have a surprise late frost.

USDA Zone Info for Thomasville

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 Thomasville

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