Water Aster albescens regularly during the growing season, allowing the soil to dry slightly between waterings. Reduce watering in autumn and winter, providing just enough to keep the soil from becoming completely dry.

Ensure good drainage to prevent root rot.

Prune Aster albescens after flowering to encourage a tidier plant and potentially a second bloom. Deadhead spent flowers regularly throughout the blooming period.

In late autumn or early spring, cut back the old stems to the ground to promote new growth.

Propagate Aster albescens by division in early spring or autumn. Carefully dig up clumps and separate them into smaller sections, ensuring each section has roots and shoots. Replant immediately into well-prepared soil.

Stem cuttings can also be taken in late spring.

Repot Aster albescens every 2-3 years or when the plant becomes root-bound. This is best done in early spring before new growth begins.

Use a well-draining potting mix and a pot that is slightly larger than the current one.