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.

One way of getting a good idea when to plant tagetes is to consult the USDA zone info for Upper Sandusky.

Planting Calendar for Tagetes

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

Since tagetes are not cold tolerant it is important to wait until after the last frost before you can plant them.

The earliest that you can plant tagetes in Upper Sandusky 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. Any later than that and your tagetes may not have a chance to really do well. If you are starting your tagetes indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Upper Sandusky. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Upper Sandusky is just an average the actual date of last frost is different every year. Since half of the time in Upper Sandusky there is a last frost after April 15 be ready to protect your tagetes in the event of one of those late frosts.

USDA Zone Info for Upper Sandusky

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Upper Sandusky

You may be interested in your other planting guides for Upper Sandusky.