Pittosporum tobira ‘Nanum’, also known as Japanese mock orange, is popular for its glossy, leathery, green leaves and fragrant, creamy-white flowers, appearing in spring. This attractive, rounded, evergreen shrub is fairly slow-growing. So it’s ideal for containers and small gardens. It reaches a height of 75cm.
How and when to prune Pittosporum tobira ‘Nanum’ (Japanese mock orange). This shrub needs little pruning. If necessary, prune any shoots that spoil the shape of the shrub after flowering.
How to grow
It performs best when grown in well-drained soil, in a sunny position that is sheltered from cold, drying winds. ‘Nanum’ also dislikes wet conditions in winter.
Pittosporum tobira ‘Nanum’ planted in the ground
How do you protect Pittosporum tobira ‘Nanum’ in the winter. ‘Nanum’ is not fully hardy. It needs winter protection in cold areas. Cover the base of the plant with a thick layer of dry mulch to reduce frost penetration. Protect the leaves with a few layers of horticultural fleece.
Container-grown Pittosporum tobira ‘Nanum’
Store the shrub in a frost-free place. Alternatively, if you can’t move ‘Nanum’ because the container is too heavy, keep the plant outdoors for the winter. If sharp frost is forecast, cover the plant with a winter fleece plant cover. And cover the outside of the pot with bubble wrap to protect the roots from freezing.