The problem with many rampant climbers, like clematis viticella, is that they have to be cut down in the winter so you would be left with a bare pergola. I suppose the same would apply to passionflower, and that's even harder to tame than viticella!
You could try a couple of the nicer variegated ivies and once they're established and covering well enough, you could add a climber of your choice to grow over it. That way, you'd get the cover to prevent too much stuff landing on cars underneath, but you'd get some seasonal colour. For instance, a clematis growing up the front and back would look good if you have suitable ground to plant them into.
Sulphur Heart and Gloire de Marengo are both attractive ivies if you feel that's an option.
It's a place where beautiful isn't enough of a word....
I live in west central Scotland - not where that photo is...
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The problem with many rampant climbers, like clematis viticella, is that they have to be cut down in the winter so you would be left with a bare pergola. I suppose the same would apply to passionflower, and that's even harder to tame than viticella!
Clematis armandii
You could try a couple of the nicer variegated ivies and once they're established and covering well enough, you could add a climber of your choice to grow over it. That way, you'd get the cover to prevent too much stuff landing on cars underneath, but you'd get some seasonal colour. For instance, a clematis growing up the front and back would look good if you have suitable ground to plant them into.
Sulphur Heart and Gloire de Marengo are both attractive ivies if you feel that's an option.
I live in west central Scotland - not where that photo is...