One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to estimate when it's the best time to plant cuphea by checking out the USDA zone info for Southlake.

Planting Calendar for Cuphea

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

Since cuphea are not cold tolerant you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant cuphea 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 cuphea and expect a good harvest is probably August. You probably don't want to wait any later than that or else your cuphea may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your cuphea 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.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Southlake and it can change quite a bit from year to year. Since half of the time in Southlake it frosts late in the year after March 15 be ready to cover your cuphea 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 Low	10°F
Highest Expected Low	15°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.