"adm" wrote in message news:2008042012050416807-

but then thought that Ivy or a similar wall climber might look
a lot nicer.

My advice for Ivy is: Don't! Find something else.

The old adage for Ivy ("first it sleeps, then it creeps, then it leaps") is
very true as I know from the multiple ivys I've spent (unsuccessfully)
trying to exterminate in my yard.