Sempervivum tectorum, also known as houseleek or hen and chicks, is a succulent plant that is easy to care for. Here are some tips to keep your Sempervivum tectorum healthy:

Light: Sempervivum tectorum prefers full sun to partial shade.

Water: Water deeply but infrequently. Allow the soil to dry out between waterings.

Soil: Plant Sempervivum tectorum in well-draining soil.

Fertilizer: Fertilizer is not necessary, but you can use a succulent-specific fertilizer in the spring.

Propagation: Sempervivum tectorum propagates easily by dividing offsets from the mother plant.

Pests and diseases: Sempervivum tectorum is generally pest and disease-free, but watch for mealybugs and spider mites.

Overall, Sempervivum tectorum is a low-maintenance plant that is perfect for beginners or anyone who wants to add some unique texture to their garden or indoor collection.