Tamarix arborea thrives in well-drained soil and prefers infrequent watering once established. Allow the soil to dry out between waterings, especially in cooler months. Overwatering can lead to root rot.

Monitor soil moisture and water deeply but sparingly, focusing on established plants.

Prune in late winter or early spring before new growth begins. Remove dead, damaged, or crossing branches. To encourage flowering and maintain shape, you can also lightly trim back stems that flowered the previous year.

Heavy pruning can be done to rejuvenate older plants.

Propagation is typically achieved through softwood or semi-hardwood cuttings taken in late spring or summer. Root cuttings in a well-draining medium, keeping them moist and in a warm, humid environment.

Seeds can also be sown in spring, but vegetative propagation often yields better results.

Repotting is generally not necessary for established Tamarix arborea as they prefer to be slightly root-bound and dislike disturbance. If growth is severely stunted or the plant is outgrowing its container (for potted specimens), repot in spring to a slightly larger pot with fresh, well-draining soil.