One of the best tools that you have as gardeners to help us figure out 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 Zone 10b you can determine 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.

Since nicotiana are not cold tolerant you must wait until after the last frost before you can plant them.

The earliest that you can plant nicotiana in Zone 10b is February. However, you really should wait until March 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 little bit earlier by starting your nicotiana indoors.

Last Frost Date

The average date of last frost is January 31 in Zone 10b. In the coldest months of winter you should expect an average low temperature of 35°F.

Since the USDA zone info for Zone 10b is just an average the actual date of last frost changes from year to year. Since half of the time in Zone 10b you get a frost after January 31 be ready to cover your nicotiana if you have one of those late frosts.

USDA Zone Info for Zone 10b

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Zone 10b

You may be interested in your other planting guides for Zone 10b.