How to Grow Red Lion Sempervivum
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Red Lion Sempervivum
Sempervivum 'Red Lion'
succulentRed Lion is a hardy succulent forming dense rosettes of fleshy leaves that display vibrant red coloring, intensifying in cool weather and full sun. This evergreen perennial is extremely cold-hardy and requires minimal maintenance, making it ideal for rock gardens, containers, and alpine displays. It produces tall flower stalks with star-shaped pink or red flowers in summer.
When should you plant Red Lion Sempervivum in your zone?
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Example Red Lion Sempervivum timeline · Pittsburgh, PA (Zone 6b)
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Plant Red Lion Sempervivum
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Red Lion Sempervivum
Around Oct 14≈ 180 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Red Lion Sempervivum dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-9; extremely cold-hardy to -30°F
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Get my Red Lion Sempervivum timeline →Growth Stages
Establishment
4-8 weeksYoung rosettes with pale green leaves begin to develop, starting small (0.5-1 inch diameter)
Water lightly after planting; ensure excellent drainage; protect from excessive moisture and waterlogging
Vegetative Growth
3-6 monthsRosettes expand and thicken; leaves develop deeper red coloring, especially with cool temperatures and bright light
Minimal watering; allow soil to dry completely between waterings; no fertilizer needed; increase sun exposure
Mature Rosette
Variable (rosette lives 2-4 years before flowering)Full-sized rosette (1.5-3 inches diameter) with dense, plump red-tinged leaves; may produce offsets (chicks) around the base
Continue minimal watering; monitor for overcrowding; offsets can be separated and propagated
Flowering
3-4 weeks of bloomCentral rosette sends up a thick flower stalk (4-8 inches tall) with pink or red star-shaped flowers; leaves become less vibrant
Do not remove flower stalk prematurely; continue light watering; avoid fertilizing
Senescence & Propagation
4-8 weeksAfter flowering, the flowering rosette dies back; offsets around its base continue to grow and replace it
Remove spent flower stalk and dead rosette; allow offsets to mature; separate and replant as desired
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Remove with cotton swab dipped in rubbing alcohol; improve air circulation; avoid overwatering
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Ensure excellent drainage; repot in fresh soil if detected; reduce watering; allow soil to dry completely
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Increase humidity slightly around plant; spray with water if severe; isolate affected plants
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and
Handpick; place in well-draining environment; use copper barriers or diatomaceous earth if needed
Uses
Ornamental Display & Rock Gardens
CraftRed Lion's vibrant red coloring and compact rosette form make it a striking accent in alpine troughs, rock gardens, and container arrangements. The dramatic color intensification in cool seasons and bright light creates visual interest year-round. [source]
Container & Drought-Resistant Gardening
HouseholdIdeal for shallow containers, living roofs, and water-wise landscapes requiring minimal maintenance. Red Lion's extreme cold-hardiness and drought tolerance make it suitable for neglect-tolerant garden displays. [source]
Pollinator Support
WildlifeThe summer flower stalks produce nectar-rich pink or red flowers that attract bees, butterflies, and other pollinators, supporting local ecosystems in rock garden settings. [source]
Traditional Folk Remedies
MedicinalSempervivum species have a long history in traditional European herbalism, historically used topically for minor skin conditions and burns, though scientific evidence is limited. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Cut flower stalks at the base after blooming for aesthetic purposes (optional; allows energy to offsets). Separate and harvest chick offsets in late spring or summer; allow cut surfaces to callus for 2-3 days before planting in dry soil.
Fun Facts
- 🌱 The genus name 'Sempervivum' means 'always living' in Latin, reflecting the plant's remarkable longevity and ability to survive extreme conditions.
- 🌱 Red Lion rosettes intensify in color during cold winters and stress conditions, with some specimens displaying brilliant crimson or burgundy hues in temperatures below 50°F.
- 🌱 After flowering (a monocarpic event), the parent rosette dies but leaves behind numerous offsets ('chicks'), ensuring the colony's continuation for decades or centuries.
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