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.

It's a good idea to estimate when it's the best time to plant nicotiana by reviewing the USDA zone info for San Bruno.

Planting Calendar for Nicotiana

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

It's probably a bad idea to plant nicotiana until after the last frost because they are not cold tolerant.

The earliest that you can plant nicotiana in San Bruno 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 really do well. Starting your nicotiana indoors is a great way to get them started a little bit earlier.

Last Frost Date

In San Bruno the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 30°F.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for San Bruno and it changes from year to year. Since half of the time in San Bruno you get a frost after January 31 be ready to cover your nicotiana in the event of one of those late frosts.

USDA Zone Info for San Bruno

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in San Bruno

You may be interested in your other planting guides for San Bruno.