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.

You can determine when you can plant flowering tobacco in Dubuque by checking out the USDA zone info.

Planting Calendar for Flowering Tobacco

Frost tolerance for flowering tobacco:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's probably a bad idea to plant flowering tobacco until after the last frost because they require warm weather.

The earliest that you can plant flowering tobacco in Dubuque 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. You can get started a little bit earlier by starting your flowering tobacco indoors.

Last Frost Date

The average date of last frost is April 15 in Dubuque. In the coldest months of winter you can expect an average low temperature of -20°F.

Since the USDA zone info for Dubuque is an average the actual date of last frost is different every year. Since half of the time in Dubuque last frost occurs after April 15 be ready to protect your flowering tobacco if you have a surprise late frost.

USDA Zone Info for Dubuque

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 Dubuque

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