Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when you can plant catharanthus is to check out the USDA zone info for Greenville.

Planting Calendar for Catharanthus

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

Since catharanthus do not do well in cold weather it is important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant catharanthus in Greenville 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 catharanthus and expect a good harvest is probably August. If you wait any later than that and your catharanthus may not have a chance to grow to maturity. Starting your catharanthus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Greenville. In the coldest months of winter you should expect an average low temperature of 10°F.

It's important to remember that USDA zone info for Greenville is just an average and the actual date of last frost will vary from year to year. Half of the time in Greenville last frost occurs after March 15 so make sure that you are ready to protect your catharanthus in the event of a surprise late frost.

USDA Zone Info for Greenville

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 Greenville

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