Water regularly to keep the soil consistently moist, especially during hot, dry periods. Plume Poppy prefers moist conditions but can tolerate brief dry spells once established.

Avoid waterlogged soil, which can lead to root rot. Reduce watering in winter.

Cut back dead or damaged stems at any time. In late winter or early spring, remove all old growth to encourage fresh, vigorous new shoots. Deadheading spent flower stalks is optional but can improve appearance.

It can be pruned hard to control size.

Propagate by division of clumps in early spring. This is the easiest and most reliable method. Seed propagation is also possible, but plants may not come true to type and germination can be erratic.

Wear gloves as sap can be irritating.

Mature plants are best left undisturbed as they establish a substantial root system. If repotting is necessary, typically for younger plants or to divide, do so in early spring before new growth appears.

Use well-draining potting mix.