Echium pininana prefers consistently moist soil during its active growth phase, but avoid waterlogging. Reduce watering significantly in winter, allowing the soil to dry out between waterings to prevent root rot.

Monitor the soil moisture closely, especially in warmer conditions or if the plant is in a container.

Pruning is generally not required for Echium pininana as it's a monocarpic plant that blooms once before dying.

If removing spent flower spikes is desired for aesthetic reasons, do so after the plant has finished flowering and set seed. Wear gloves as the hairs can be irritating.

Propagation is primarily done by seed. Sow seeds in spring or early summer, preferably in a greenhouse or protected environment. Seeds require light for germination and should be kept consistently moist.

Transplant seedlings when they are large enough to handle into individual pots.

Repot young Echium pininana plants annually into slightly larger containers as they grow. Mature plants, often grown in larger pots or in the ground, may not require frequent repotting.

Ensure good drainage when repotting and use a well-draining compost mix.