Bob Hobden wrote:

I've actually pushed some first year Pleione pseudobulbs
into the stem to try to create a bit more interest so await their appearance
(or not) in a couple of months.

I've got Billbergia nutans and distachya growing just below the crown
now and they seem to enjoy the 'perch'. Davallia fejeensis clambers
about the trunk, but does not produce quite as thick a mass of leaves
as I'd originally hoped.