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.

The earliest that you can plant dipladenia in Ellettsville should be determined by using the USDA zone info.

Planting Calendar for Dipladenia

Frost tolerance for dipladenia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You can not plant dipladenia until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant dipladenia 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 dipladenia and expect a good harvest is probably August. Any later than that and your dipladenia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your dipladenia indoors.

Last Frost Date

The average date of last frost is April 15 in Ellettsville. 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 Ellettsville is an average and the actual date of last frost will vary from year to year. Since half of the time in Ellettsville there is a last frost after April 15 be ready to cover your dipladenia in the event of one of those late frosts.

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.