Before planting it is a good idea to find your USDA Zone info to figure out 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.

The earliest that you can plant tithonia in Westlake can be estimated by checking out the USDA zone info.

Planting Calendar for Tithonia

Frost tolerance for tithonia:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since tithonia are not cold tolerant you must wait until after the last frost before you can plant them.

The earliest that you can plant tithonia in Westlake is April. However, you really should wait until May if you don't want to take any chances.

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

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Westlake. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Westlake is just an average the actual date of last frost will vary from year to year. Half of the time in Westlake there is a last frost after April 15 so be sure to be ready to protect your tithonia in the event of one of those late frosts.

USDA Zone Info for Westlake

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Westlake

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