The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when you can plant tithonia is to check out the USDA zone info for Sapulpa.

Planting Calendar for Tithonia

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

Since tithonia do not do well in cold weather you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant tithonia in Sapulpa 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. If you wait any later than that and your tithonia may not have a chance to really do well. You can get started a few weeks earlier by starting your tithonia indoors.

Last Frost Date

The average date of last frost is April 15 in Sapulpa. In the coldest months of winter you should expect an average low temperature of 0°F.

It's important to remember that USDA zone info for Sapulpa is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Sapulpa there is a last frost after April 15 be ready to cover your tithonia in the event of a surprise late frost.

USDA Zone Info for Sapulpa

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 Sapulpa

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