Kosanin's houseleek (Sempervivum kosaninii)
Care, watering, light and tips for Kosanin's houseleek on Floravia.
Quick facts
- Family: Crassulaceae
- Difficulty: Easy to care for
- Watering: every 18 days
- Light: Full sun
- Temperature: 5–35 °C
About Kosanin's houseleek
Sempervivum kosaninii, known as "purpurtaklök", is a perennial succulent that forms compact rosettes of fleshy leaves, often intensely purple-tinged, especially with good sun exposure. Its rosettes can reach up to 10 cm in diameter and produce small "chick" plants around the mother plant. It is ideal for rock gardens, green roofs, containers, and as ground cover in dry, sunny gardens.
Native range
Balkans (Bulgaria, Serbia, North Macedonia)
Care tips
It requires full sun to develop its most intense purple coloration and compact growth; excessive shade can cause it to stretch and weaken. Water sparingly, allowing the soil to dry out completely between waterings, as it is very susceptible to rot from overwatering. Use a very well-draining substrate, preferably a cactus and succulent mix with coarse sand or perlite. Avoid waterlogging at all costs, especially in winter, to prevent root and rosette base rot.
How to save a dying Kosanin's houseleek
- Warning signs
- Soft, yellowing, or blackening leaves at the base (overwatering); wrinkled, dry leaves (underwatering/extreme heat).
- First aid
- Remove damaged leaves, inspect roots. If waterlogged, unpot, let dry, then repot. If dry, water moderately.
- What kills it
- Overwatering, especially in winter or low light, quickly rots roots. Also, heavy, poorly draining soil.
- Can it be saved?
- Yes! They are very resilient. Act fast if you see severe rot or dehydration. Most recover with proper care.