Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Los Gatos can be looked at to figure out when to plant tithonia.

Planting Calendar for Tithonia

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

Tithonia do not do well in cold weather which means that you must wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant tithonia in Los Gatos 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. You probably don't want to wait any later than that or else your tithonia may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your tithonia indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Los Gatos is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Los Gatos you get a frost after February 15 be ready to protect your tithonia if you have a surprise late frost.

USDA Zone Info for Los Gatos

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 Los Gatos

You may be interested in your other planting guides for Los Gatos.