Dutchman's Pipe vine is hardy to my area. I do NOTHING to it. I don't cut it down. I don't hill it. I don't protect it in any way. ... and it keeps coming back year after year. It is slow to come back in the spring, but it is an amazing plant. Here is a shot of it climbing the fence in early July. Now at the end of the July, you could easily add another 3 feet of growth to it.

By the way, here is a photo of the VERY illusive flower of Dutchman's Pipe. Sorry it is not clearer.

My brugs however, are a tropical plant, and they must come inside for the winter.

Here is some research that I found about your plant. Enjoy.

Exposure Elegant dutchman's pipe
We suggest growing the the Elegant dutchman's pipe In the house or in a warmed greenhouse; when the minimum temperatures go past 15°C it is possible to move them outside. To develop to their best, climber plants need grates, or they can be placed near a wall, which functions as a support.For a balanced development, it is best to position the the Elegant dutchman's pipe in a partially shady place, where it can enjoy direct sunlight only during the coolest hours of the day.

Generalities Elegant dutchman's pipe
These plants are shrubs. Elegant dutchman's pipe Is an evergreen; during summer iIt assumes a purple colouring; the adult specimens are medium in size and reach 7 m high. The Elegant dutchman's pipe has a climber deportment.

Fertilization Elegant dutchman's pipe
Climber plants have a quick and vigorous development, let’s enrich the soil, towards the end of the winter or in autumn, with manure or slow release fertilizer; during the spring, once a month, we can add a fertilizer for green or flowering plants, rich in nitrogen and potassium to the irrigating water .

Watering Elegant dutchman's pipe
This plant has a climber development, at times very vigorous; therefore it is good to remember that the more developed plants need more water compared to the more limited specimens. Let’s avoid watering the the Elegant dutchman's pipe excessively, always leaving the soil dry for a few days between one watering and the other, therefore let’s irrigate the substratum deeply every 2-3 weeks with 1-2 buckets of water .

Treatments Elegant dutchman's pipe
As the day-time temperatures rise at the beginning of the spring, it is agreeable to practice a preventive treatment, with a wide-range insecticide, which should be applied when there aren’t flowerings in the garden. Before the buds become too large, it is advisable to also treat them with a wide-range fungicide, to prevent the development of fungal diseases which spread easily when there is an elevated environmental moisture.

Soil Elegant dutchman's pipe
These plants need a substratum with an excellent drainage.