In article , Charlie
Pridham writes

Well he didn't specify colour and I like white! all those I mentioned are
strongly enough scented that they can be smelt from at least 10 feet away
from the plant when in flower and the rambling roses I had in mind would
scale a full grown tree in 2 seasons are most definitely climbers that will
attach without help from the gardener. But if the OP was expecting bright
red self clinging and scented then I would have to agree the choice is not
small but non existent!

It comes down to function, doesn't it? The purpose of the flowers is to
attract pollinators. Scent is to attract particularly moths, so you go
for colours that show up well in the half light, hence all those even
scented white or pale mauve flowers. Scent in the day time I think is
for bees and butterflies, but again they seem to see light colours best,
or things in the pink/blue spectrum

Birds go for bright reds, but they don't need the scent. So really
bright red flowers are not often scented.

Of course there are exceptions.
--
Kay
"Do not insult the crocodile until you have crossed the river"