Canna paniculata thrives in consistently moist soil. Water regularly, especially during dry spells, ensuring the soil does not completely dry out. Aim to keep the soil damp but not waterlogged to prevent root rot.

Reduce watering slightly in cooler, dormant periods but maintain some moisture.

Deadhead spent flowers regularly to encourage further blooming and maintain a tidy appearance. In autumn, after the first frost, cut back the foliage to the ground.

This helps prevent disease and prepares the plant for winter dormancy.

Canna paniculata is primarily propagated by division of rhizomes in spring. Carefully separate sections of the rhizome, ensuring each piece has at least one eye or bud.

Replant these divisions in well-draining soil or pots.

Repot Canna paniculata when the rhizomes become crowded, typically every 2-3 years. This is best done in early spring before new growth begins.

Choose a pot that is slightly larger than the previous one, providing fresh potting mix.