Urtica atrovirens prefers consistently moist soil, especially during its active growth period. Water thoroughly when the top inch of soil begins to feel dry. Avoid waterlogged conditions, which can lead to root rot.

Reduce watering slightly in cooler months or if the plant is dormant.

Pruning Urtica atrovirens is primarily for controlling size and shape, and to encourage bushier growth. Dead or damaged stems can be removed at any time. Cut back flowering stems after they have finished blooming.

Regular trimming can prevent excessive self-seeding.

Urtica atrovirens can be easily propagated by seeds, which are readily produced. Sow seeds in situ in spring or autumn, or start them indoors a few weeks before the last frost.

Division of established clumps in spring is also an effective method of propagation.

Repotting is generally not necessary for Urtica atrovirens as it is often grown as a perennial groundcover or in its natural habitat. If grown in a container and it becomes root-bound, repot in spring into a slightly larger pot with fresh, well-draining potting mix.