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

In Marengo you can estimate when you can plant flowering tobacco by looking at the USDA zone info.

Planting Calendar for Flowering Tobacco

Frost tolerance for flowering tobacco:	Not tolerant of frost.
When to plant:	After the last frost.

Since flowering tobacco do not do well in cold weather it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant flowering tobacco in Marengo 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 flowering tobacco and expect a good harvest is probably August. Any later than that and your flowering tobacco may not have a chance to really do well. Starting your flowering tobacco 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 Marengo. You should expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Marengo may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Marengo you get a frost after April 15 be ready to cover your flowering tobacco in the event of one of those late frosts.

USDA Zone Info for Marengo

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Marengo

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