One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Rowlett it's possible to estimate when you can plant cuphea.

Planting Calendar for Cuphea

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

Since cuphea require warm weather you must wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant cuphea in Rowlett 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. If you are starting your cuphea indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Rowlett is just an average the actual date of last frost will vary from year to year. Since half of the time in Rowlett there is a last frost after March 15 be ready to cover your cuphea in the event of a surprise late frost.

USDA Zone Info for Rowlett

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 Rowlett

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