One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Dunkirk it's possible to determine when it's possible to plant dipladenia.

Planting Calendar for Dipladenia

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

It's probably not a good idea to plant dipladenia until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant dipladenia in Dunkirk 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. If you wait any later than that and your dipladenia may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your dipladenia indoors.

Last Frost Date

The average date of last frost is April 15 in Dunkirk. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Dunkirk is an average the actual date of last frost changes from year to year. Half of the time in Dunkirk there is a last frost after April 15 so be sure to be ready to cover your dipladenia if you have a late frost.

USDA Zone Info for Dunkirk

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 Dunkirk

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