One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Novato you should be able to figure out when to plant tithonia.

Planting Calendar for Tithonia

Frost tolerance for tithonia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since tithonia require warm weather it is important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant tithonia in Novato 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 tithonia and expect a good harvest is probably September. Any later than that and your tithonia may not have a chance to really do well. You can get started a little bit earlier by starting your tithonia indoors.

Last Frost Date

The average date of last frost is February 15 in Novato. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Novato is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Novato you get surprised by a frost after February 15 so make sure that you are prepared to protect your tithonia if you have one of those late frosts.

USDA Zone Info for Novato

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 Novato

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