One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Richland can be used to figure out when you can plant nicotiana.

Planting Calendar for Nicotiana

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

Since nicotiana are not cold tolerant you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant nicotiana in Richland 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. You probably don't want to wait any later than that or else your nicotiana may not have a chance to really do well. Starting your nicotiana indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Richland the average date of last frost happens on March 15. You can expect an average low temperature of 10°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Richland and it changes from year to year. Since half of the time in Richland there is a last frost after March 15 be ready to protect your nicotiana in the event of a late frost.

USDA Zone Info for Richland

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

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

Plants to Grow in Richland

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