One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. 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 Corte Madera can be read 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 you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant tithonia in Corte Madera 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 tithonia and expect a good harvest is probably September. Any later than that and your tithonia may not have a chance to grow to maturity. Starting your tithonia indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Corte Madera the average date of last frost happens on January 31. You should expect an average low temperature of 30°F in the coldest months of winter.

Remember that USDA zone info for Corte Madera is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Corte Madera you get a frost after January 31 so be sure to be ready to cover your tithonia in the event of a surprise late frost.

USDA Zone Info for Corte Madera

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 Corte Madera

You may be interested in your other planting guides for Corte Madera.