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

One way of getting a good idea when it's a good idea to plant tagetes is to refer to the USDA zone info for Jefferson.

Planting Calendar for Tagetes

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

Since tagetes do not do well in cold weather you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant tagetes in Jefferson 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. If you wait any later than that and 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

On average the last frost is on March 15 in Jefferson. You can expect an average low temperature of 10°F in the coldest months of winter.

It's important to remember that USDA zone info for Jefferson is not always accurate and the actual date of last frost is different every year. Half of the time in Jefferson you get surprised by a frost after March 15 so always be ready to cover your tagetes in the event of a late frost.

USDA Zone Info for Jefferson

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Jefferson

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