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AEONIUM arboreum

Image of Aeonium arboreum

John Rickard

Family

Crassulaceae

Botanical Name

AEONIUM arboreum

Plant Common Name

Tree Aeonium

General Description

An architecturally interesting succulent for garden color and texture, tree aeonium is a heat- and drought- tolerant native of Morocco. Its branched stems are upright, each bearing a tight rosette of spoon-shaped, bright green leaves. Some plants' leaves are mottled or blushed lightly with burgundy or purplish tones. In the spring, each mature rosette produces an upright stalk that towers above the foliage. At the top of the stalk is a dense mass of bright yellow flowers, each small and with many thin petals. A tree aeonium in bloom looks like it's carrying yellow torches.

Appropriate for nearly full sun to partial shade and highly drought tolerant, tree aeonium requires perfectly drained, average to gritty garden soil. Keep the soil much drier other times of year, including the hottest times of summer when the plant becomes semi-dormant. In frost-free climates, growth occurs in the milder weather from fall to late spring. Where hardy, it is commonly grown as an outdoor rock garden perennial, but it also makes a superb houseplant for a sunny window. Overly dry soil coupled with hot, intense, all-day sun can scald or stunt plants in arid climates. Protect from subfreezing temperatures to avoid leaf or stem dieback. High humidity and too much rain or irrigation leads to root and stem rot. The ornate cultivar ‘Zwartkop’ has near-black foliage that makes a real statement in beds and containers.

Characteristics

  • AHS Heat Zone

    9 - 4

  • USDA Hardiness Zone

    10 - 15

  • Sunset Zone

    15, 16, 17, 20, 21, 22, 23, 24

  • Plant Type

    Cactus or Succulent

  • Sun Exposure

    Full Sun, Partial Sun, Partial Shade

  • Height

    2'-6' / 0.6m - 1.8m

  • Width

    2'-6' / 0.6m - 1.8m

  • Bloom Time

    Early Spring, Spring, Late Spring

  • Native To

    Morocco

Growing Conditions

  • Soil pH

    Neutral, Alkaline

  • Soil Drainage

    Well Drained

  • Soil type

    Loam, Sand

  • Tolerances

    Drought, Salt

  • Growth Rate

    Medium

  • Water Requirements

    Drought Tolerant, Average Water

  • Habit

    Upright/Erect

  • Seasonal Interest

    Spring, Summer, Fall, Winter

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Yellow, Lemon Yellow

  • Foliage Color (Spring)

    Green, Lime Green

  • Foliage Color (Summer)

    Green, Lime Green

  • Foliage Color (Fall)

    Green, Lime Green

  • Foliage Color (Winter)

    Green, Lime Green

  • Fragrant Flowers

    Yes

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    No

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    Yes

  • Foliage Texture

    Coarse

  • Foliage Sheen

    Glossy

  • Evergreen

    Yes

  • Showy Bark

    No

Special Characteristics

  • Usage

    Container, Edging, Feature Plant, Foundation, Houseplant, Mixed Border, Rock Garden / Wall

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    No