Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of making a decision about when it's possible to plant dipladenia is to look at the USDA zone info for New Roads.

Planting Calendar for Dipladenia

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

Since dipladenia are not cold tolerant you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant dipladenia in New Roads 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 dipladenia and expect a good harvest is probably September. If you wait any later than that and your dipladenia may not have a chance to really do well. Starting your dipladenia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in New Roads. It might get as low as 20°F during the coldest months of winter.

Just be sure to remember that USDA zone info for New Roads is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in New Roads it frosts late in the year after February 15 be ready to cover your dipladenia if you have a late frost.

USDA Zone Info for New Roads

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 New Roads

You may be interested in your other planting guides for New Roads.