Pre-treatment: Without pretreatment, seeds germinate sporadically over 6 - 12 months. For more uniform germination, scarify by nicking the seed coat. This can be done with a small fingernail clippers or sharp file. Large seedlots can be scarified in a blender by suspending fruits or seeds in water and sparingly using the pulse function.

Establishment: Noni flowers and fruits year-round. Fruits are harvested when they start turning white, or even when they have turned fully soft, translucent and characteristically fragrant. For seed production, the riper the fruit, the better. Collect from plants that have desirable characteristics such as large fruit for fruit production, or vigorous leaf growth for hedges, etc.

Source: npn.rngr.net