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.

It's a good idea to determine when it's the best time to plant nicotiana by using the USDA zone info for Atherton.

Planting Calendar for Nicotiana

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

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

The earliest that you can plant nicotiana in Atherton 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. If you wait any later than that and your nicotiana may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your nicotiana indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Atherton is not always accurate and the actual date of last frost is different every year. Half of the time in Atherton there is a last frost after February 15 so make sure that you are prepared to protect your nicotiana in the event of a late frost.

USDA Zone Info for Atherton

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 Atherton

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