One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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 Carrizo Springs you can determine when you can plant cuphea by using 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 you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant cuphea in Carrizo Springs is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant cuphea and expect a good harvest is probably September. Any later than that and 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 all chance of frost has passed is on February 15 in Carrizo Springs. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Carrizo Springs is an average the actual date of last frost will vary from year to year. Since half of the time in Carrizo Springs last frost occurs after February 15 be ready to cover your cuphea in the event of a late frost.

USDA Zone Info for Carrizo Springs

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Carrizo Springs

You may be interested in your other planting guides for Carrizo Springs.