The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Glennville you can figure out when to plant tithonia by looking at 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 all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant tithonia in Glennville 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. 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

In Glennville the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Glennville may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Glennville there is a last frost after March 15 so just be sure to be ready to cover your tithonia in the event of one of those late frosts.

USDA Zone Info for Glennville

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Glennville

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