When to Plant Basil in Southlake, TX

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant basil in Southlake can be figured out by using the USDA zone info.


Planting Calendar for Basil

Frost tolerance for basil: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

It's not a good idea to plant basil until after the last frost when the weather gets warmer because they require warm weather.

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

The earliest that you can plant basil 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 basil and expect a good harvest is probably August. Any later than that and your basil may not have a chance to really do well. You can get started a few weeks earlier by starting your basil indoors.

Last Frost Date

The average date of last frost is March 15 in Southlake. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Southlake is not always accurate the actual date of last frost is different every year. Half of the time in Southlake there is a last frost after March 15 so make sure that you are ready to cover your basil in the event of a surprise late frost.

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.