Canadian Woodnettle thrives in consistently moist soil. Water regularly, especially during dry spells, ensuring the soil does not completely dry out. Aim for deep watering to encourage strong root development.

Avoid waterlogged conditions, as this can lead to root rot.

Pruning is typically minimal and mainly for aesthetic purposes or to manage spread. Remove any dead, damaged, or diseased stems as needed.

While not strictly necessary for plant health, light trimming can help maintain a tidier appearance in garden settings.

Canadian Woodnettle is easily propagated by division of its root system in early spring or fall. It also readily self-seeds. Seeds can be collected in fall and sown outdoors in fall or early spring.

Stem cuttings can also be taken in spring.

Repotting is generally not necessary for this species as it is a perennial herbaceous plant that is often grown in the ground. If grown in containers, repotting would only be required if the plant becomes severely root-bound, which is uncommon.