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.

A common way of making a decision about when you can plant flowering tobacco is to look at the USDA zone info for Zone 1b.

Planting Calendar for Flowering Tobacco

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

It's probably a bad idea to plant flowering tobacco until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant flowering tobacco in Zone 1b is June. However, you really should wait until July 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 July. If you wait any later than that and your flowering tobacco may not have a chance to grow to maturity. If you are starting your flowering tobacco 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 June 15 in Zone 1b. It might get as low as -55°F during the coldest months of winter.

Since the USDA zone info for Zone 1b is just an average the actual date of last frost is different every year. Since half of the time in Zone 1b there is a last frost after June 15 be ready to cover your flowering tobacco in the event of a late frost.

USDA Zone Info for Zone 1b

Here is the info for USDA Zone 1b.

Average Date of Last Frost (spring)	June 15
Average Date of First Frost (fall)	July 15
Lowest Expected Low	-55°F
Highest Expected Low	-50°F

This means that on a really cold year, the coldest it will get is -55°F. On most years you should be prepared to experience lows near -50°F.

Plants to Grow in Zone 1b

You may be interested in your other planting guides for Zone 1b.