Java tupelo thrives in consistently moist soil, especially when young. Water deeply when the top few centimeters of soil begin to dry out. Avoid waterlogged conditions, as this can lead to root rot.

Mature trees are more drought-tolerant but benefit from regular watering during prolonged dry spells.

Pruning is typically minimal for Java tupelo, primarily to remove dead, damaged, or crossing branches. This can be done in late winter or early spring before new growth begins.

Avoid excessive pruning, as it can disrupt the natural form of the tree. If shaping is desired, make cuts judiciously.

Java tupelo can be propagated from seeds, which require a period of cold stratification to germinate. It can also be propagated vegetatively from cuttings taken in summer or by grafting.

These methods can be challenging and are best attempted by experienced horticulturalists for reliable results.

Repotting is generally not necessary for mature Java tupelo trees grown in the ground.

For container-grown specimens, repotting may be required every 2-3 years in early spring, moving to a slightly larger pot with fresh, well-draining potting mix. Ensure good drainage to prevent root issues.