Populus × berolinensis prefers consistent moisture, especially when young. Water deeply when the top 5-7 cm of soil feels dry. Avoid waterlogged conditions, as this can lead to root rot.

Mature trees are moderately drought-tolerant but benefit from occasional deep watering during prolonged dry spells.

Prune in late winter or early spring while the tree is dormant. Remove dead, damaged, or crossing branches.

To maintain shape and encourage strong structure, especially in young trees, make clean cuts just outside the branch collar. Avoid heavy pruning unless necessary for structural correction.

Populus × berolinensis is typically propagated by softwood cuttings taken in late spring or summer.

Select healthy, non-flowering shoots, cut them into 15-20 cm lengths, and insert them into a moist, well-draining propagation medium. Rooting hormone can improve success rates.

Alternatively, root cuttings can be taken in winter.

Repotting is generally not applicable to Populus × berolinensis as it is a large, fast-growing tree best planted directly in the ground. If container-grown specimens are encountered, repot into a larger container in early spring before significant new growth begins, using a well-draining potting mix.