Water Gleditsia australis thoroughly when the top 5-10 cm of soil is dry. Ensure good drainage to prevent waterlogging. Reduce watering frequency during winter dormancy.

Allow soil to dry out slightly between waterings to encourage deep root growth.

Prune Gleditsia australis to remove dead, damaged, or crossing branches. This is best done in late winter when the tree is dormant.

Heading back can be done to control size and shape, but avoid excessive pruning that can weaken the tree.

Propagation of Gleditsia australis can be done from seed, which often requires scarification or stratification to break dormancy. Cuttings can also be taken, but are generally more difficult to root.

Grafting is another method used for specific cultivars.

Repotting Gleditsia australis is generally not required for mature trees planted in the ground. For container-grown specimens, repot every 2-3 years in early spring.

Choose a pot only slightly larger than the current one and use well-draining soil.