Tree Aeonium (Aeonium arboreum)

Tree Aeonium

Aeonium arboreum

Rosettes of fleshy leaves glow like copper in sun. Evergreen succulent shrub; common name: Tree Aeonium, Irish Rose.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; full sun intensifies leaf coloration, avoid scorching midday sun in hot arid climates
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Watering Allow soil to dry completely between waterings; reduce frequency during summer dormancy to prevent root rot
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Temperature Tolerates mild frost down to 5°C; avoid prolonged exposure below 0°C; prefers warm, dry growing conditions
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Characteristics

  • Leaf: Rosettes of spoon-shaped, fleshy leaves; mature foliage often takes bronze-red hues in full sun
  • Flower: Clusters of small, star-shaped yellow blooms atop tall, upright stalks
  • Stem: Woody, branching stems with peeling, papery bark as they mature
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Care Guide

Watering

Water thoroughly when soil is fully dry; avoid overwatering

Fertilization

Diluted cactus fertilizer once monthly. Use low-nitrogen fertilizer to promote healthy rosette growth without leggy stems

Eggshell powder top-dress:Crush dried eggshells into fine powder; sprinkle lightly on soil surface; avoid direct contact with leaves to prevent burning
Pruning
  • Remove spent flower stalks after blooming to redirect energy to new rosette growth
  • Trim leggy stems in early spring to encourage bushier, compact growth
  • Remove dead or damaged rosettes to maintain plant health and improve airflow
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No known toxic effects on humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental succulent for rock gardens, container displays, and indoor sunny decor