Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Chino Valley you can estimate when it's a good idea to plant tithonia by reviewing 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.

It's probably not a good idea to plant tithonia until after the last frost because they are not cold tolerant.

The earliest that you can plant tithonia in Chino Valley 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. You probably don't want to wait any later than that or else your tithonia may not have a chance to grow to maturity. Starting your tithonia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Chino Valley. It might get as low as 5°F during the coldest months of winter.

Keep in mind that USDA zone info for Chino Valley is an average and the actual date of last frost will vary from year to year. Since half of the time in Chino Valley last frost occurs after April 15 be ready to cover your tithonia if you have one of those late frosts.

USDA Zone Info for Chino Valley

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Chino Valley

You may be interested in your other planting guides for Chino Valley.