Water consistently during the growing season, aiming for moist but not waterlogged soil. Reduce watering significantly during dormancy in late summer and fall.

Ensure good drainage to prevent root rot, as overwatering is a common issue for this species.

Pruning is generally not required for Spiranthes arcisepala beyond removing dead or spent flower spikes. Cut back spent flower stalks close to the base after blooming to maintain a tidy appearance and prevent potential disease spread.

Propagation is typically done by division of mature pseudobulbs during repotting, usually in spring before new growth begins. Seed propagation is difficult and time-consuming, requiring specialized techniques and long germination periods.

Repot every 1-2 years or when the potting medium begins to break down, typically in spring before active growth. Use a well-draining orchid mix, such as bark-based compost with added perlite.

Handle the delicate roots with care during repotting.