Young Kurrajong trees require regular watering to establish a strong root system, especially during dry periods. Once mature, they are highly drought-tolerant and need minimal supplemental water, thriving in arid conditions. Overwatering should be avoided to prevent root rot, as they prefer well-drained soil.

Pruning for Kurrajong trees is typically minimal, primarily focused on removing any dead, diseased, or crossing branches to maintain a strong structure and promote good air circulation. Light shaping can also be performed to enhance its aesthetic form. The ideal time for pruning is during late winter or early spring, before the onset of new seasonal growth.

Kurrajong trees are most commonly propagated from seeds. To improve germination rates, seeds should be pre-treated by soaking them in hot water or scarifying their hard outer coat. Sow seeds in a well-drained potting mix during spring, ensuring they are kept consistently warm and moist until successful germination occurs. Propagation via cuttings is generally less reliable.

As a large tree, Kurrajong is usually destined for ground planting. If started in a container, it will require repotting into progressively larger pots as its root system expands. Ensure each new pot has excellent drainage, and use a high-quality, well-draining potting mix. Repot when roots become visible at the drainage holes or the plant appears root-bound, preparing it for its permanent outdoor location.