I want to put tree branches surrounded by my window outside .How do I attach them? I can't drill holes in the brick or the porthole frames.

I can't drill holes in the brick or the porthole frames.
What's a bud pitcher?
Answers:    are you talking just about a spray of branches along your window sill outside? if so, i attach mine beside some twine, the branches are gathered contained by the middle with a red bow and later the twine is knotted to that beside about a six within. long piece, i open the pane and pull within the piece then close the fanlight and lock it.
Can't afford double glazing,?
mabye ropes