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 Mesa you can figure out when to plant nicotiana by checking out the USDA zone info.

Planting Calendar for Nicotiana

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

You should not plant nicotiana until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant nicotiana in Mesa is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant nicotiana and expect a good harvest is probably September. You probably don't want to wait any later than that or else 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

The average date of last frost is February 15 in Mesa. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Mesa is not always accurate the actual date of last frost is different every year. Half of the time in Mesa you get surprised by a frost after February 15 so just be sure to be ready to protect your nicotiana if you have a late frost.

USDA Zone Info for Mesa

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Mesa

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