Rumex alpinus prefers consistently moist soil, especially during its active growing season. Water deeply when the top few centimeters of soil feel dry.

Reduce watering in cooler weather and when the plant is dormant, but avoid letting the soil become completely parched.

Remove faded flower stalks to prevent self-seeding, as Munk's Rhubarb can be quite prolific. In late autumn or early spring, cut back dead foliage to the ground.

This helps maintain a tidy appearance and prevents disease.

Munk's Rhubarb is easily propagated by division of established clumps in early spring or autumn. Alternatively, seeds can be sown outdoors in autumn or stratified indoors before spring sowing.

This species readily self-seeds.

As a vigorous perennial that often forms large clumps, repotting is typically done when a plant becomes overcrowded or when divisions are desired. This is best undertaken in early spring or autumn, ensuring the root ball is kept intact as much as possible.