Wasgij 1000 pc Puzzle - Retro No.6 - Blooming Marvellous!

It’s a scorching summer’s day and it seems like everyone on the street is out in their garden soaking up the sun. But why has one neighbour in particular captured their attention?

Try to imagine you are the man cutting the topiary; what could he have seen that caused him to make a foliage faux pas? That is the image you need to puzzle.