How about a topiary hen in a plant pot? You do not have to work on a grand scale, making huge shapes that take years to create. There are fast growing plants that lend themselves to creations on a small scale, so if you have not tried making topiary animals, let these great huge examples inspire you and turn to a plant pot to get started.
As you might have guessed, there is almost always a frame under the greenery that both provides support when necessary and provides a permanent guide to the development and retention of the shape.
The frame may have to be a piece of engineering that requires some substantial DIY skills if it is for a large creation. But for a plant pot all that you need is a galvanized wire chicken mesh sculpture and some twine.
This video shows how easy it can be if you already have the sculpture. This sculpture is empty so the plant is going to grow up into it: –
The next page shows you some alternative approaches, where the frame is filled with moss and plants are inserted through: –