Water regularly during establishment, especially in dry periods. Once established, Gray Ironbark is very drought-tolerant and requires minimal supplemental watering.

Allow the soil to dry out slightly between waterings for mature trees, focusing on deep watering to encourage strong root development.

Pruning is typically minimal for mature trees, primarily for removing dead, damaged, or crossing branches. If shaping is desired, do so during late winter or early spring before new growth begins.

Avoid heavy pruning as it can stress the tree and make it susceptible to disease.

Propagation is best achieved from seeds sown in spring. Scarify seeds or soak them in warm water overnight to improve germination rates. Use a well-draining seed-raising mix and keep moist and warm.

Grafting can also be used for specific cultivars.

Repotting is generally not necessary for mature Eucalyptus paniculata as they are large trees best grown in situ. Young saplings may require repotting into a larger container every 1-2 years as they outgrow their current pot, typically in spring before active growth.