The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Rolla you should be able to estimate when it's the best time to plant nicotiana.

Planting Calendar for Nicotiana

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

Nicotiana require warm weather which means that you must wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant nicotiana in Rolla 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 nicotiana and expect a good harvest is probably August. Any later than that and your nicotiana may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your nicotiana indoors.

Last Frost Date

On average the last frost is on April 15 in Rolla. It might get as low as -5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Rolla is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Rolla you get a frost after April 15 so make sure that you are ready to cover your nicotiana in the event of one of those late frosts.

USDA Zone Info for Rolla

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 Rolla

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