One of the best tools that you have as gardeners to help us determine 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.

One way of estimating when it's a good idea to plant tithonia is to check out the USDA zone info for Burbank.

Planting Calendar for Tithonia

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

It's a bad idea to plant tithonia until after all chance of frost has passed because they are not cold tolerant.

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

Last Frost Date

The average date of last frost is January 31 in Burbank. It might get as low as 30°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Burbank is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Burbank you get a frost after January 31 be ready to protect your tithonia in the event of a late frost.

USDA Zone Info for Burbank

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 Burbank

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