Pittosporum are evergreen shrubs or trees with simple, leathery leaves and small, often fragrant, 5-petalled flowers, followed by spherical, woody fruits splitting to reveal seeds embedded in sticky pulp. ‘Tom Thumb’ is a dense, slow-growing small evergreen shrub of rounded habit, with deep purple, undulate leaves contrasting with light green young growth; not free-flowering.Sold in a 3 litre pot.