If seeds are sown immediately, they germinate prolifically. If allowed to dry, they may take up to a year to germinate. Billardiera is also easily propagated by stem cuttings as semi-softwoods in early summer. Apply a quick dip of indolebutyric acid, medium strength. There are some fruit color variants in the trade, and if you lucky to find one, they are quite easily propagated by layering.
Fruits can vary from shades of purple through rose to pure white.
Usually, the colored variants also propagate by their seed. Evergreen climbing shrub with bright-yellow flowers that turn to pink or purple producing blue, berrylike fruit. Reaches 6 feet in height. Requires acidic soils. Easily propagated with fresh seed or semi-hardwood stem cuttings.