Armeria alpina prefers well-drained soil and dislikes waterlogged conditions. Water moderately during the growing season, allowing the soil to dry out slightly between waterings.

Reduce watering significantly in winter, especially if grown outdoors in a cold climate, to prevent root rot.

Deadhead spent flower stalks regularly to encourage continuous blooming and maintain a tidy appearance. After flowering, you can trim back any straggly growth to maintain the plant's compact, mounded shape.

Light pruning in early spring can also help stimulate new growth.

Armeria alpina is best propagated by division in early spring or autumn. Carefully lift the plant and separate the root ball into smaller sections, ensuring each section has roots and shoots.

Replant immediately into well-drained soil.

Repot Armeria alpina when it becomes root-bound, typically every 2-3 years. Use a well-draining potting mix, such as a cactus or succulent blend, to ensure good aeration for the roots.

Repot in spring, preferably after flowering has finished.