What is this strange thing growing outside Si's house?

Si & Gary 16/05/2017

Si needs your help! A strange object has been growing at Si's house and no one can figure out what it is.

Si reckons it's a 'Jack & the Bean Stalk' kind of scenario, but only time will tell on that one...

If you have any idea as to what this thing is, flick us a message on our Facebook page.