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

The USDA zone info for Summerville should be used to figure out when it's possible to plant tagetes.

Planting Calendar for Tagetes

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

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

The earliest that you can plant tagetes in Summerville 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 tagetes and expect a good harvest is probably August. You probably don't want to wait any later than that or else your tagetes may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your tagetes indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Summerville is an average and the actual date of last frost will vary from year to year. Half of the time in Summerville you get surprised by a frost after March 15 so make sure that you are ready to cover your tagetes in the event of one of those late frosts.

USDA Zone Info for Summerville

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 Summerville

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