Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Dallas you can estimate when it's a good idea to plant geranium by using the USDA zone info.

Planting Calendar for Geranium

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

Geranium are not cold tolerant which means that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant geranium in Dallas 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 geranium and expect a good harvest is probably August. You probably don't want to wait any later than that or else your geranium may not have a chance to really do well. You can get started a little bit earlier by starting your geranium indoors.

Last Frost Date

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

Since the USDA zone info for Dallas is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Dallas there is a last frost after March 15 be ready to cover your geranium in the event of one of those late frosts.

USDA Zone Info for Dallas

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 Dallas

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