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Aeonium arboreum – Tree Aeonium, Houseleek Tree

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Scientific Name

Aeonium arboreum (L.) Webb & Berthel

Common Names

Thickleaf Aeonium, Pinwheel Desert Rose, Fisiulera, Tree Aeonium, Tree Anemone, Houseleek Tree, Irish Rose

Synonyms

Sempervivum arboreum, Aeonium korneliuslemsii

Scientific Classification

Family: Crassulaceae
Subfamily: Sedoideae
Tribe: Sedeae 
Subtribe: Sedinae
Genus: Aeonium

Description

Aeonium arboreum is a tree-like succulent which forms branched stems up to 3 feet (90 cm) tall. The leaves are up to 3 inches (7.5 cm) long and spoon-shaped and shiny green. The leaf rosettes are arranged at the ends of its branches. These plants grow quickly and produce small, star-like, yellow flowers on racemes from late winter through early spring. Flowers stems emerge from the center of the rosettes. The rosette die after flowering.

Aeonium arboreum – Tree Aeonium Houseleek Tree

Photo via flickriver.com

Hardiness

USDA hardiness zone 10a to 11b: from 30 °F (−1.1 °C) to 50 °F (+10 °C).

How to Grow and Care

Aeoniums do not like really hot or dry weather. They may go dormant in summer and do not require any water, except in very dry conditions. In extreme heat, their leaves will curl, to prevent excessive water loss. Growing them in moist shade will keep them growing, but their true growth season is winter to spring, when temperatures are cool (65–75˚F  / 18–24˚C) and damp. In the winter, water whenever the soil has dried out. Test by poking your finger down into the soil an inch or two. Too much moisture or allowing them to sit in wet soil will cause root rot… – See more at: How to Grow and Care for Aeonium.

Propagate Aeoniums by stem cuttings, except for unbranched species which die after flowering and are propagated from seed. Take cuttings when the plant is actively growing, usually fall in USDA zones 9 through 11. Aeoniums go dormant in summer; cuttings taken while plants are dormant don’t root. Each leaf rosette dies after it blooms…. – See more at: How to Propagate Aeonium.

Origin

Native to North Africa and Canary Islands.

Subspecies, Varieties, Forms, Cultivars and Hybrids

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