The USDA Zone info is a great tool for gardeners to help us estimate 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.

The USDA zone info for Fort Oglethorpe can be reviewed to estimate when to plant dahlia.

Planting Calendar for Dahlia

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

Dahlia are not cold tolerant which means that you have to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant dahlia in Fort Oglethorpe 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 dahlia and expect a good harvest is probably August. If you wait any later than that and your dahlia may not have a chance to fully mature. You can get started a little bit earlier by starting your dahlia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Fort Oglethorpe. In the coldest months of winter you can expect an average low temperature of 5°F.

Since the USDA zone info for Fort Oglethorpe is not always accurate the actual date of last frost is different every year. Since half of the time in Fort Oglethorpe you get surprised by a frost after April 15 be ready to cover your dahlia if you have a late frost.

USDA Zone Info for Fort Oglethorpe

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 Fort Oglethorpe

You may be interested in your other planting guides for Fort Oglethorpe.