Water sparingly once established, allowing the soil to dry out completely between waterings. Young plants require more frequent watering until they are well-rooted.

Overwatering can lead to root rot, especially in poorly draining soil. Reduce watering significantly during cooler months.

Pruning is typically not required for Argemone albiflora. If dead or damaged stems are present, they can be removed at any time.

To maintain a tidy appearance or to prevent self-seeding, you can deadhead spent flowers before they form seed pods. Wear gloves to avoid the prickly stems.

Propagation is most easily achieved through seeds sown in spring or autumn. Seeds may benefit from stratification (a period of cold, moist treatment) to improve germination rates.

Alternatively, cuttings can be taken from young plants in late spring or early summer, though this method is less common.

Repotting is generally not necessary for Argemone albiflora, as it prefers to be slightly root-bound and can be challenging to transplant due to its taproot.

If growing in a container and it becomes severely root-bound, repot in early spring into a slightly larger pot with well-draining soil. Handle with care due to spines.