Sweet Peas - do they trail well

in Plants
Hi everyone
I’ve got four window boxes that I intend to grow something that trails/cascades down the sides, and I would like them to be fragrant.
I’ve got four window boxes that I intend to grow something that trails/cascades down the sides, and I would like them to be fragrant.
So far I’ve come across certain fragrant begonias and also sweet peas. I know that there are some varieties which are supposedly bred to cascade but the choices are limited. I wonder if anyone here has had much experience in growing cascading sweet peas in window boxes? (Be it a specially bred cascading species or a normal variety that is ‘trained’ to cascade)
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I've grown ordinary ones in large pots in the past - and I mean huge pots about 3 feet + tall, and about 2 feet wide at the top, and I put no supports in them. They went up and then trailed down, but I doubt you'd get that fountain effect in a window box, mainly because they need a lot of food and water.
I have what I call 'a window box' along my back fence, and I did some in there a couple of years ago, but that's the main problem - sufficient food and water for them. If you can do that, you could get the look you're after
I live in west central Scotland - not where that photo is...
I live in west central Scotland - not where that photo is...
@newbie77 Great suggestions, I’ll also have a look at those options. One of the things I like about sweet peas is that they make great cut flowers and repeat flower.
Petunias would be fine.
I live in west central Scotland - not where that photo is...
Would love to see a photo if you have one? 😊