Siberian Peashrub is drought-tolerant once established. Water deeply but infrequently, allowing the soil to dry out between waterings. Young plants require more consistent moisture to establish a strong root system.

Avoid overwatering, as this can lead to root rot. Reduce watering significantly in winter.

Prune Siberian Peashrub in late winter or early spring before new growth begins. Remove any dead, damaged, or crossing branches. It can be pruned for shape and size control.

Heavy pruning can be done to rejuvenate older plants, but avoid cutting back too severely into old wood.

Propagation is typically done by seed or cuttings. Seeds can be sown outdoors in autumn or stratified indoors before spring planting.

Cuttings can be taken from semi-hardwood in mid-summer and treated with rooting hormone. It also readily self-seeds in favorable conditions.

Repotting is generally not necessary for mature Siberian Peashrubs due to their woody nature and tolerance for being slightly root-bound.

If a young plant becomes root-bound in a container, repot in spring to a slightly larger container with well-draining soil. Ensure adequate drainage holes.