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.

In North Richland Hills you can estimate when it's possible to plant cuphea by checking out the USDA zone info.

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 it is necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant cuphea in North Richland Hills 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. If you wait any later than that and your cuphea may not have a chance to grow to maturity. Starting your cuphea indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in North Richland Hills. It might get as low as 10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for North Richland Hills is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in North Richland Hills you get surprised by a frost after March 15 be ready to protect your cuphea if you have a late frost.

USDA Zone Info for North Richland Hills

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 North Richland Hills

You may be interested in your other planting guides for North Richland Hills.