When to Plant Tagetes in Harriman, TN

One of the first steps you take when you are determining your gardening schedule is find your 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 figuring out when you can plant tagetes is to consult the USDA zone info for Harriman.


Planting Calendar for Tagetes

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

Tagetes are not cold tolerant which means that you have to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant tagetes
Possibly ok, but a risky time to plant tagetes
Probably not a good time to plant tagetes

The earliest that you can plant tagetes in Harriman 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 really do well. Starting your tagetes indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Harriman. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Harriman is not always accurate the actual date of last frost is different every year. Since half of the time in Harriman you get surprised by a frost after April 15 be ready to cover your tagetes if you have one of those late frosts.

USDA Zone Info for Harriman

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Harriman

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