Sonneratia lanceolata requires consistently moist soil, mimicking its natural mangrove habitat. Water regularly to maintain this moisture level, especially during warmer months.

Avoid allowing the soil to completely dry out, as this can stress the plant. Reduce watering slightly in cooler periods.

Pruning is generally minimal for Sonneratia lanceolata, primarily focused on removing dead, damaged, or crossing branches. This can be done at any time of year to maintain the plant's health and shape.

Avoid heavy pruning, as it can be detrimental to this species.

Propagation is typically achieved through seeds or cuttings. Seeds require stratification and are best sown in moist, saline conditions.

Cuttings can be taken from semi-hardwood stems and rooted in a humid, well-draining medium, preferably with bottom heat.

Repotting is infrequent and best done in spring. Sonneratia lanceolata prefers to be slightly root-bound. Choose a pot that allows for a slightly larger volume of substrate.

Use a well-draining, sandy soil mix that can tolerate some salinity.