Also known as Hens And Chickens · Houseleek · Large-Flowered Houseleek
Sempervivum grandiflorum is a hardy succulent forming dense rosettes of fleshy leaves, topped with star-shaped flowers in summer.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers at least 6 hours of direct sunlight daily, but can tolerate some afternoon shade in very hot climates.
Infrequent
25% intensity
Allow soil to dry out completely between waterings. Reduce significantly in winter.
Well-drained, Gritty
50% intensity
Moderate to Cool
50% intensity
Tolerates a wide range of temperatures, but prefers cool to moderate conditions. Protect from extreme heat and hard frost.
Low
25% intensity
Fertilize sparingly once or twice during the growing season with a diluted succulent fertilizer.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
None
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water thoroughly when the soil is completely dry, typically every 2-4 weeks during the growing season. Reduce watering significantly in winter, allowing the soil to dry out between infrequent waterings.
Overwatering is the most common cause of root rot in Sempervivum.
Pruning is generally not required for Sempervivum grandiflorum. Remove any dead or dried leaves or flower stalks as needed to maintain a tidy appearance. The plant naturally forms dense rosettes and offsets.
Propagation is easy via offsets (chicks) which naturally form around the base of the mature plant. Gently detach the offsets with a small root system and plant them in well-draining soil. They will establish quickly.
Repot Sempervivum grandiflorum every 2-3 years or when the pot becomes overcrowded with offsets. Use a gritty, fast-draining potting mix formulated for succulents or cacti. Repot in spring or early summer.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Sempervivum Grandiflorum (Sempervivum grandiflorum)
Where Sempervivum Grandiflorum (Sempervivum grandiflorum) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Saxifragales |
| Family | Crassulaceae |
| Genus | Sempervivum |
| Species | Sempervivum grandiflorum |
Similar in genus Sempervivum
Answers based on plant encyclopedia data
