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.

The earliest that you can plant nicotiana in Cupertino should be figured out by using 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 it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant nicotiana in Cupertino 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. Any later than that and your nicotiana may not have a chance to fully mature. If you are starting your nicotiana indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Cupertino. In the coldest months of winter you should expect an average low temperature of 25°F.

Remember that USDA zone info for Cupertino may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Cupertino you get surprised by a frost after February 15 be ready to cover your nicotiana in the event of one of those late frosts.

USDA Zone Info for Cupertino

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 Cupertino

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