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 it's a good idea to plant tithonia is to look at the USDA zone info for Greenwood.

Planting Calendar for Tithonia

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

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

The earliest that you can plant tithonia in Greenwood 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. You can get started a few weeks earlier by starting your tithonia indoors.

Last Frost Date

The average date of last frost is March 15 in Greenwood. In the coldest months of winter you can expect an average low temperature of 10°F.

Just be sure to remember that USDA zone info for Greenwood is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Greenwood you get a frost after March 15 be ready to protect your tithonia if you have a surprise late frost.

USDA Zone Info for Greenwood

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Greenwood

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