Water regularly during the first growing season to establish the root system. Once established, Cockspur Hawthorn is drought-tolerant and prefers well-drained soil.

Allow the soil to dry out slightly between waterings, especially in hot, dry weather. Overwatering can lead to root rot.

Prune in late winter or early spring before bud break to shape the tree and remove dead, damaged, or crossing branches. Remove any suckers arising from the base.

This species is known for its thorns, so wear protective gloves. Pruning also encourages flowering and fruiting.

Propagation is typically done by grafting onto rootstock, especially for cultivars.

Seed propagation can be challenging due to dormancy; seeds require a period of stratification (cold, moist treatment) followed by warm stratification. Cuttings are also difficult to root successfully.

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

Choose a pot only slightly larger than the current one with good drainage. Use a well-draining potting mix suitable for trees and shrubs.