Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when to plant tagetes in Mount Vernon by checking out the USDA zone info.

Planting Calendar for Tagetes

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

It's probably not a good idea to plant tagetes until after the last frost has passed because they require warm weather.

The earliest that you can plant tagetes in Mount Vernon 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 grow to maturity. You can get started a couple of weeks earlier by starting your tagetes indoors.

Last Frost Date

The average date of last frost is April 15 in Mount Vernon. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Mount Vernon is just an average the actual date of last frost will vary from year to year. Half of the time in Mount Vernon you get a frost after April 15 so be sure to be ready to cover your tagetes in the event of one of those late frosts.

USDA Zone Info for Mount Vernon

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

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

Plants to Grow in Mount Vernon

You may be interested in your other planting guides for Mount Vernon.