Water regularly during the growing season, especially in dry periods, but ensure the soil drains well. Avoid overwatering, as this can lead to root rot.

Reduce watering in late summer and autumn as the plant enters dormancy.

Deadhead spent flowers to encourage reblooming and improve appearance. Remove any yellow or dead foliage in autumn or early spring. Avoid heavy pruning; the plant maintains a compact form naturally.

Iris pumila can be propagated by division of rhizomes in late summer or early autumn. Carefully separate the rhizomes, ensuring each piece has at least one fan of leaves and a healthy root system. Replant immediately.

Repotting is generally not necessary unless the plant is severely overcrowded or outgrowing its container. If repotting, do so in late summer or early autumn, disturbing the rhizomes as little as possible.

Ensure well-draining soil.