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.
P. tobira 'Nanum' is a small, dense, slow-growing, evergreen shrub to about 1m with leathery, glossy, obovate leaves, and small sweetly-scented flowers opening white, soon turning yellow, in late spring and early summer.
Grow outdoors in moist but well-drained soil in full sun. Protect from cold drying winds. Grow under glass in loam-based compost in full light.