One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of estimating when it's possible to plant tithonia is to check out the USDA zone info for Shawnee.

Planting Calendar for Tithonia

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

It's a bad idea to plant tithonia until after the last frost has passed because they require warm weather.

The earliest that you can plant tithonia in Shawnee 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 grow to maturity. If you are starting your tithonia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Shawnee. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Shawnee may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Shawnee it frosts late in the year after April 15 be ready to cover your tithonia if you have a late frost.

USDA Zone Info for Shawnee

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Shawnee

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