Lathraea clandestina thrives in consistently moist soil. Water thoroughly when the top centimetre of soil feels dry. Avoid waterlogging, as this can lead to root rot.

Reduce watering slightly in winter when the plant is less active, but never allow the soil to dry out completely.

Pruning is typically minimal for Lathraea clandestina. Remove any dead or damaged foliage as needed.

Since it is a groundcover, maintaining a tidy appearance might involve occasional trimming to prevent excessive spread or to shape the plant, especially if it is encroaching on other garden areas.

Propagation is primarily achieved through division of established root masses, ideally in early spring before active growth begins. Seeds can be collected and sown, but germination is slow and often requires specific conditions, making division the more reliable method for home gardeners.

Repotting is usually only necessary if Lathraea clandestina is grown in a container and has become root-bound. This should be done in early spring.

Ensure the new pot has good drainage and that the root ball is transferred with minimal disturbance, ideally with some soil from the original pot.