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

A common way of estimating when it's the best time to plant tagetes is to look at the USDA zone info for Royal Oak.

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 has passed before you can plant them.

The earliest that you can plant tagetes in Royal Oak 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. If you are starting your tagetes indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Royal Oak. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Royal Oak may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Royal Oak it frosts late in the year after April 15 be ready to protect your tagetes in the event of a late frost.

USDA Zone Info for Royal Oak

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 Royal Oak

You may be interested in your other planting guides for Royal Oak.