...just keep trying the local roofers as you need to remove it asap before it goes to seed in late summer as theres a big risk of leaving embryo,s up there when pulled out around that time
...Its the bird crap what lays the seeds and its much harder to germinate if the stack is kept in good fettle with sound pointing ect which wont allow the seeds to bed into the crumbling mortar..
they don't send kids down chimney now once there balls have dropped there to old to get down
Emu's still on the roof, shouting Rod, Rod I'm stuck on the roof Rod.....
its an elderberry tree not cherryHow cruel is that.......
But we're not solving the OP's dilemma. Hire a man with a cherry picker who knows what's required re making good any damage, I say.
it hasn't come to fruition 
how it he going to do that without climbing on the roof ??
Thats my scud missile suggestion out the window thenit never ceases to amaze me some of the stupid suggestions that come up on here
if he was just round the corner id remove it for 20 sovs bu..er santa getting the cash
Thats my scud missile suggestion out the window then
Well if the house was in liverpool there is a good chance it would be cannabis and it has grown up the chimney, inside of the loft and escaped out on the roof!!
That was one of the------ older membersSomeone else said elder.
get stuffed I use it all the time round my field and on the drive pebbles
