Aeonium arboreum
Aeonium arboreum
Tree Aeonium
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Taxonomy
Family Crassulaceae · Genus Aeonium
Common Names
Tree AeoniumTree Houseleek
Context
nativeRegion
Canary Islands (Macaronesia)
usdaZones
9–11 (grown as a container plant outside these zones)
companionPlants
Echeveria, Sedum, Haworthia, Crassula
culturalUses
Primarily decorative in rock gardens, succulent collections, and containers.
Care
Care Requirements
LightPrefers bright, indirect sunlight; can tolerate full sun in mild climates but needs some shade in intense heat.
WateringWater moderately during the growing season (spring to fall); allow soil to dry between waterings. Reduce watering in winter.
SoilWell-draining, sandy or cactus/succulent mix is ideal; avoid heavy or waterlogged soils.
FertilizerFeed sparingly with a diluted, balanced fertilizer during the growing season (once per month); no feeding in dormancy.
HumidityLow humidity is preferred; tolerates dry air well.
TemperatureIdeal temperatures range from 15–24°C (59–75°F); protect from frost (minimum 4°C / 40°F).
Growth & Life Cycle
HabitSucculent, shrubby perennial with rosettes of fleshy leaves on upright stems.
Mature SizeTypically grows 60–90 cm (2–3 feet) tall and wide.
Growth RateModerate growth rate under favorable conditions.
BloomingYellow, star-shaped flowers bloom in spring or early summer on mature rosettes.
DormancyBecomes semi-dormant in hot, dry summer and actively grows in cooler months.
Propagation
MethodsStem cuttings, Offsets, Seeds
DifficultyEasy
Best SeasonSpring or early summer for cuttings; seeds in spring.
Maintenance & Notes
PruningRemove spent flower stalks and dead leaves to maintain appearance.
RepottingRepot every 2–3 years or when rootbound.
Pests & DiseasesOccasionally affected by mealybugs and aphids; root rot if overwatered.
ToxicityGenerally considered non-toxic to pets and humans.