How to Grow Tree Houseleek 'Atropurpureum'
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Tree Houseleek 'Atropurpureum'
Aeonium arboreum 'Atropurpureum'
succulentA striking succulent shrub featuring dark burgundy to nearly black rosette leaves that form a tree-like structure on woody stems. The plant can reach 2-3 feet tall and produces bright yellow star-shaped flowers in spring when mature. It's a dramatic ornamental valued for its dramatic foliage color and architectural form.
When should you plant Tree Houseleek 'Atropurpureum' in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Tree Houseleek 'Atropurpureum' timeline · Pittsburgh, PA (Zone 6b)
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Plant Tree Houseleek 'Atropurpureum'
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 Tree Houseleek 'Atropurpureum'
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Zones 9b-12; frost-sensitive, best grown outdoors in Mediterranean climates or as a houseplant/container plant elsewhere
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Get my Tree Houseleek 'Atropurpureum' timeline →Growth Stages
Establishment
1-2 monthsYoung rosettes begin to form from cuttings or nursery plants; stems are thin and herbaceous
Water sparingly; provide bright light; avoid cold temperatures below 50°F (10°C); establish drainage system immediately
Vegetative Growth
6-18 monthsRosettes enlarge, stems thicken and become woody; plant develops its characteristic tree-like branching structure
Maintain bright, direct light; water only when soil is completely dry; minimal feeding with dilute succulent fertilizer in spring
Maturation
Ongoing (1-2+ years)Plant reaches its full architectural form with multiple branches and dense rosettes; foliage color deepens to nearly black in bright conditions
Support heavy branches with stakes if needed; prune lightly to shape; maintain strict watering discipline
Flowering
4-8 weeksTerminal rosettes develop tall inflorescences with clusters of bright yellow, star-shaped flowers
Flowering typically occurs in spring after plant reaches maturity (2-3+ years); rosette that flowers will die after bloom (monocarpic terminal rosette), but side branches continue
Post-Flowering
OngoingSpent rosette dies back; side shoots and lateral branches continue growing
Remove dead rosette carefully; allow plant to rest; resume normal watering schedule as new growth emerges
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with horticultural oil or insecticidal soap; remove with alcohol-soaked cotton swab; ensure good air circulation
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Scrape off manually; treat with neem oil or horticultural oil; repeat applications may be needed
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Repot in fresh, dry succulent soil; reduce watering frequency; ensure pot has drainage holes; remove any blackened roots
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Increase humidity slightly and air circulation; spray with water to dislodge; use miticide if severe
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Improve air circulation; remove infected leaves; avoid overhead watering; apply fungicide if necessary
Uses
Dramatic Landscape & Container Accent
OrnamentalIts dark purple-black rosette foliage and tree-like form make it a striking focal point in succulent gardens, rock gardens, Mediterranean landscapes, and containers on patios or indoors as a houseplant. [source]
Indoor Houseplant & Living Decor
HouseholdExcellent as a low-maintenance houseplant in bright indoor locations; requires minimal watering and care compared to most houseplants. Adds architectural interest to shelves, windowsills, and modern interiors. [source]
Pollinator Support
WildlifeWhen mature and flowering in spring, the bright yellow flowers attract bees and other pollinators, providing a nectar source in xeriscape and drought-tolerant gardens. [source]
Propagation & Plant Sharing
CraftEasily propagated from stem cuttings and leaf cuttings, making it ideal for gardeners who enjoy plant propagation projects and sharing with friends and family. [source]
Harvest Tips
Not a harvest plant. For propagation: take stem cuttings in spring, let dry 1-2 weeks, then plant shallowly in succulent mix. Individual leaves can also be propagated (leaf-to-offshoot method), though Aeonium leaves are less reliable than Echeveria. Cuttings root in 2-4 weeks.
Fun Facts
- 🌱 The cultivar name 'Atropurpureum' means 'dark purple,' and the foliage color intensifies dramatically under full sun exposure, becoming nearly black in ideal conditions—the more sun, the darker the leaves.
- 🌱 Aeonium arboreum is native to the Canary Islands and Morocco, where it grows on rocky slopes and has adapted to extreme drought and poor soils.
- 🌱 Unlike most succulents that are polycarpic (flowering multiple times), individual Aeonium rosettes are monocarpic, meaning they flower once and then die—but the plant survives because lateral buds continue to branch and grow new rosettes.
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