One of the first steps you take when you are determining 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 best time to plant tithonia in Hermosa Beach can be estimated by referring to the USDA zone info.

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 it is necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant tithonia in Hermosa Beach 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. If you wait 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 few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Hermosa Beach. In the coldest months of winter you can expect an average low temperature of 35°F.

Since the USDA zone info for Hermosa Beach is not always accurate the actual date of last frost changes from year to year. Half of the time in Hermosa Beach there is a last frost after January 31 so just be sure to be ready to cover your tithonia in the event of a late frost.

USDA Zone Info for Hermosa Beach

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Hermosa Beach

You may be interested in your other planting guides for Hermosa Beach.