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

In Ellettsville you can estimate when it's possible to plant catharanthus by reviewing the USDA zone info.

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 you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant catharanthus in Ellettsville 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. You probably don't want to wait any later than that or else your catharanthus may not have a chance to really do well. You can get started a little bit earlier by starting your catharanthus indoors.

Last Frost Date

In Ellettsville the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -10°F.

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Ellettsville and it will vary from year to year. Since half of the time in Ellettsville you get surprised by a frost after April 15 be ready to cover your catharanthus if you have a late frost.

USDA Zone Info for Ellettsville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Ellettsville

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