The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when it's a good idea to plant dipladenia by using the USDA zone info for Chesterton.

Planting Calendar for Dipladenia

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

Since dipladenia require warm weather it is necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant dipladenia in Chesterton 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. You probably don't want to wait any later than that or else your dipladenia may not have a chance to fully mature. You can get started a few weeks earlier by starting your dipladenia indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Chesterton. It might get as low as -10°F during the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Chesterton and it can change quite a bit from year to year. Half of the time in Chesterton last frost occurs after April 15 so be sure to be ready to cover your dipladenia in the event of a late frost.

USDA Zone Info for Chesterton

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 Chesterton

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