Sempervivum Calcareum Sir William Lawrence is an evergreen succulent plant that belongs to the family Crassulaceae. It is a hybrid of Sempervivum Calcareum and Sempervivum arachnoideum, and it is a popular choice for rock gardens, container gardens, and ground covers. This plant is native to the mountains of Europe, and it is also known as Houseleek.
Contents
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Saxifragales |
| Family | Crassulaceae |
| Genus | Sempervivum |
Appearance
Sempervivum Calcareum Sir William Lawrence has a rosette shape with fleshy, green leaves that are covered in fine white hairs. The leaves are arranged in a spiral pattern, and they have pointed tips. The plant produces offsets, or “chicks,” that grow around the base of the mother plant. The flowers of this plant are pink, star-shaped, and appear in late spring to early summer on a tall stalk that can reach up to 12 inches in height.
Care Guide
Sempervivum Calcareum Sir William Lawrence is a low-maintenance plant that is easy to care for. Here are some tips on how to care for this plant:
Water
This plant is drought-tolerant and does not require frequent watering. Water the plant deeply once a week during the growing season, and reduce watering during the winter months. Make sure the soil is well-draining to prevent water from sitting around the roots and causing rot.
Fertilization
This plant does not require fertilizer. If you want to fertilize, use a balanced fertilizer once a month during the growing season. Do not fertilize during the winter months.
Soil
Sempervivum Calcareum Sir William Lawrence prefers well-draining soil that is rich in organic matter. Use a cactus or succulent soil mix, or add sand or perlite to regular potting soil to improve drainage.
Sunlight
This plant prefers full sun to partial shade. Place it in a bright, sunny location for best growth. In hot climates, provide some afternoon shade to prevent the leaves from burning.
Hardiness Zones
Sempervivum Calcareum Sir William Lawrence is hardy in USDA zones 5 to 9. It can tolerate cold temperatures down to -20°F (-29°C).
Common Pests & Diseases
This plant is generally pest-free and disease-resistant. However, it can be susceptible to root rot if overwatered. Keep the soil well-draining and avoid watering too frequently to prevent this problem.
Habitat
Sempervivum Calcareum Sir William Lawrence is native to the mountains of Europe, where it grows in rocky, well-draining soil. It can be found at elevations up to 8,000 feet (2,400 meters). This plant is well-suited for rock gardens, container gardens, and ground covers.
Question and Answer
Q: Can Sempervivum Calcareum Sir William Lawrence grow indoors?
A: Yes, this plant can be grown indoors in a bright, sunny location.
Q: How often should I water Sempervivum Calcareum Sir William Lawrence?
A: Water deeply once a week during the growing season, and reduce watering during the winter months.
Q: What is the best soil mix for this plant?
A: Sempervivum Calcareum Sir William Lawrence prefers well-draining soil that is rich in organic matter. Use a cactus or succulent soil mix, or add sand or perlite to regular potting soil to improve drainage.
Q: What is the hardiness zone for this plant?
A: Sempervivum Calcareum Sir William Lawrence is hardy in USDA zones 5 to 9.
Related Plants
- Sempervivum Arachnoideum
- Sempervivum Calcareum
- Sempervivum Tectorum
- Sempervivum Montanum
References
- “Sempervivum Calcareum Sir William Lawrence.” Succulent Guide, www.succulentguide.com/sir-william-lawrence.html.
- “Sempervivum Calcareum Sir William Lawrence.” Mountain Crest Gardens, mountaincrestgardens.com/sempervivum-calcareum-sir-william-lawrence.html.
- “Sempervivum Calcareum Sir William Lawrence.” World of Succulents, worldofsucculents.com/sempervivum-calcareum-sir-william-lawrence/.
