When to Plant Geranium in Southlake, TX

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

You can estimate when it's the best time to plant geranium in Southlake by checking out the USDA zone info.


Planting Calendar for Geranium

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

It's probably not a good idea to plant geranium until after the last frost has passed because they are not cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant geranium
Possibly ok, but a risky time to plant geranium
Probably not a good time to plant geranium

The earliest that you can plant geranium in Southlake 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. Any later than that and 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

On average the last frost is on March 15 in Southlake. It might get as low as 10°F during the coldest months of winter.

It's important to remember that USDA zone info for Southlake is an average and the actual date of last frost will vary from year to year. Half of the time in Southlake you get surprised by a frost after March 15 so make sure that you are ready to cover your geranium in the event of one of those late frosts.

USDA Zone Info for Southlake

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 Low10°F
Highest Expected Low15°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 Southlake

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