Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Emeryville you can estimate when it's possible to plant tithonia by using the USDA zone info.

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 need to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant tithonia in Emeryville 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 really do well. Starting your tithonia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Emeryville the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Emeryville may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Emeryville it frosts late in the year after January 31 so make sure that you are ready to protect your tithonia if you have a late frost.

USDA Zone Info for Emeryville

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 Emeryville

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