Before planting it is a good idea to find your USDA Zone info to determine 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.

In Deltona you can determine when it's the best time to plant catharanthus by looking at the USDA zone info.

Planting Calendar for Catharanthus

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

You really shouldn't plant catharanthus until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant catharanthus in Deltona 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 catharanthus and expect a good harvest is probably September. If you wait any later than that and your catharanthus may not have a chance to really do well. You can get started a couple of weeks earlier by starting your catharanthus indoors.

Last Frost Date

The average date of last frost is February 15 in Deltona. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Deltona is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Deltona last frost occurs after February 15 so be sure to be ready to cover your catharanthus if you have a surprise late frost.

USDA Zone Info for Deltona

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Deltona

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