Water regularly during the growing season, ensuring the soil is consistently moist but not waterlogged. Reduce watering in autumn and winter, allowing the soil to dry out slightly between waterings to prevent root rot.

Aim for even moisture for optimal growth.

Pruning is generally not required for Dryas ajanensis. If necessary, remove dead or damaged stems in late winter or early spring before new growth begins. Light tidying can maintain shape, but avoid heavy pruning.

Propagate by seeds sown in a cold frame in autumn or by semi-hardwood cuttings taken in summer. Seed germination can be slow and erratic. Cuttings require patience and suitable rooting conditions.

Repot young plants every 2-3 years in spring, or when root-bound. Use a well-draining, gritty compost. Mature plants generally prefer to be left undisturbed and are best suited for rock gardens or alpine settings.