When can I plant Tithonia in Zone 12a

One of the best tools that we have as gardeners to help us figure out our 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 our area.

The USDA zone info for Zone 12a can be read to determine when to plant tithonia.


Planting Calendar for Tithonia

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

Tithonia are not cold tolerant which tells us that it's important to wait until it warms up after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant tithonia
Possibly ok, but a risky time to plant tithonia
Probably not a good time to plant tithonia

The earliest that you can plant tithonia in Zone 12a is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant tithonia and expect a good harvest is probably November. Any later than that and your tithonia may not have a chance to fully mature. You can get started a little bit earlier by starting your tithonia indoors.

Last Frost Date

In Zone 12a it never frosts. We should expect an average low temperature of 50°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Zone 12a is an average and our actual date of last frost changes from year to year. Since it never frosts in Zone 12a you do not have to be ready to protect your tithonia in the event of one of those late frosts.

USDA Zone Info for Zone 12a

Here is the info for USDA Zone 12a.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low50°F
Highest Expected Low55°F

This means that on a really cold year, the coldest it will get is 50°F. On most years you should be prepared to experience lows near 55°F.

Plants to Grow in Zone 12a

You may be interested in our other planting guides for Zone 12a.