Most vines, including Ivy don’t damage bricks walls that are build well. I don’t know about grapes but most ivy uses “suction cups” to trap on directly to the b

Most vines, including Ivy don’t damage bricks walls that are build well. I don’t know about grapes but most ivy uses “suction cups” to trap on directly to the bricks. I think the misconception that they damage mortar might come from the moisture the plants can trap which can then damage the masonry. Or maybe it’s because the plants hide damage until it gets serious Mortar doesn’t last forever after all. Anyway, if you build your house or wall properly you can grow stuff on it with basically no downsides outside of having more bugs (and the things that eat them) on your wall that you might want. It might not work so well on the Lego brick walls that are glued onto the front of concrete these days, but that would just be a guess.