One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Emmaus you can estimate when it's possible to plant dipladenia 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.

Since dipladenia do not do well in cold weather it is important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant dipladenia in Emmaus 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 really do well. You can get started a couple of weeks earlier by starting your dipladenia indoors.

Last Frost Date

On average the last frost is on April 15 in Emmaus. In the coldest months of winter you can expect an average low temperature of -5°F.

It's important to remember that USDA zone info for Emmaus is an average and the actual date of last frost will vary from year to year. Half of the time in Emmaus there is a last frost after April 15 so always be ready to cover your dipladenia if you have a late frost.

USDA Zone Info for Emmaus

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Emmaus

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