Cobweb Houseleek
Sempervivum arachnoideum
Family: Crassulaceae
Cobweb Houseleek grows in full sun and prefers rocky sharply drained soil. Water needs: Low.
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How to Grow Cobweb Houseleek
Cobweb Houseleek growing information includes sunlight requirements of Full sun, soil conditions listed as Rocky sharply drained soil with a soil pH of 5.5-7.5, and Low water needs. The listed hardiness zones are 3-8. For propagation reference, the database lists germination or establishment information for Cobweb Houseleek as 10-21 days, with planting or establishment depth listed as Surface sow. Days to maturity are listed as 1-2 years.
Plant Overview
Cobweb Houseleek (Sempervivum arachnoideum) is listed in the Crassulaceae family and categorized as a succulent with a perennial life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Easy.
- Plant ID
- PLT-1388
- Family
- Crassulaceae
- Plant type
- Succulent
- Life cycle
- Perennial
- Difficulty
- Easy
Growing Conditions
Cobweb Houseleek is listed for full sun conditions. Water needs are listed as low. The database soil reference is Rocky sharply drained soil. The listed soil pH range is 5.5-7.5, and the listed hardiness range is 3-8.
- Hardiness zones
- 3-8
- Sunlight
- Full sun
- Soil
- Rocky sharply drained soil
- Soil pH
- 5.5-7.5
- Water needs
- Low
Seed & Germination
For seed starting, the listed germination time is 10-21 days and the seed depth is Surface sow. The listed time to maturity is 1-2 years. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 10-21 days
- Seed depth
- Surface sow
Harvest & Propagation
- Days to maturity
- 1-2 years
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Growing Reference Note
Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.