The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Slidell you can determine when you can plant cuphea by referring to 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 require warm weather you need to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant cuphea in Slidell 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 really do well. Starting your cuphea indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Slidell the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Slidell is an average the actual date of last frost is different every year. Since half of the time in Slidell last frost occurs after February 15 be ready to cover your cuphea in the event of one of those late frosts.

USDA Zone Info for Slidell

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 Slidell

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