Acrostichum speciosum thrives in consistently moist to wet conditions, mimicking its natural mangrove habitat. Water regularly, ensuring the soil never dries out completely.

Allow the pot to sit in a tray of water to maintain high humidity and saturation. Reduce watering slightly in cooler periods but maintain dampness.

Pruning Acrostichum speciosum primarily involves removing dead, damaged, or discolored fronds. Use clean, sharp shears to make cuts close to the base of the frond. This tidies the plant and encourages new growth.

Minimal pruning is usually needed outside of maintenance.

Propagation is typically achieved through spores or by division of established clumps. Sow spores on a moist, sterile medium in a warm, humid environment.

For division, carefully separate rhizomes with at least one frond and root mass. Allow divisions to establish in similar moist conditions.

Repot Acrostichum speciosum when it becomes root-bound, usually every 2-3 years. Use a well-draining, peat-rich potting mix. Choose a pot that is slightly larger than the current one.

Ensure the new pot has ample drainage holes and consider its aquatic nature by placing it in a water tray.