One of the first steps you take when you are figuring out your gardening schedule is find your 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.

A way of estimating when it's possible to plant marigold is to use the USDA zone info for Cheboygan.

Planting Calendar for Marigold

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

Since marigold 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 marigold in Cheboygan 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 really do well. Starting your marigold indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Cheboygan. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Cheboygan is just an average the actual date of last frost will vary from year to year. Half of the time in Cheboygan you get surprised by a frost after April 15 so always be ready to cover your marigold in the event of a late frost.

USDA Zone Info for Cheboygan

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Cheboygan

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