Photo of Aloe marlothii landscape by Dry Oasis Plants

Photo by Dry Oasis Plants

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Buy Aloe marlothii

Also Known As

  • Bergaalwyn
  • Flat Flowered Aloe
  • Mountain Aloe
  • Spiny Aloe

Plant type

tree, cactus / succulent

size

  • H: 8'-10'
  • W: 4'-6'

planting zones

  • 9a-12

2ga | $29.75

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Fewer than 6 at Dry Oasis Plants

4in | $12.75

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Fewer than 4 at Dry Oasis Plants

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Aloe marlothii plant details

Aloe marlothii is an evergreen cactus / succulent or tree with blue foliage. In fall and winter orange, red and yellow flowers emerge. Features glaucous texture. Attracts beneficial insects and hummingbirds. Grows well with sun - mostly sun and occasional - low water. Drought tolerant once established. Prefers to be dry in winter. Adapts to various soil conditions. Does well in acidic, alkaline, average, clay, gritty, lean, rich, rocky and well-drained soil. A good option if you're seeking something heat tolerant and verticillium wilt resistant.

CHARACTERISTICS OF Aloe marlothii

Plant type: cactus / succulent or tree
Plant family: asparagaceae, asphodelaceae
Foliage: evergreen blue
Mature size: 4 FT - 6 FT - wide, 8 FT - 10 FT - tall
Flowers: orange, red and yellow blooms in fall and winter
Uses: bare root shipping available, border plant, container plant, houseplant, rock garden, spiky, tropical-looking, xeric, year round interest

GROWING CONDITIONS for Aloe marlothii

USDA Zones: 9a - 12
Sun exposure: sun - mostly sun
Watering frequency: occasional - low
Resistant to: deer and rabbit, heat and verticillium wilt
Soil needs: acidic, alkaline, average, clay, gritty, lean, rich, rocky and well-drained

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Nursery contributed plant descriptions

Aloe marlothii, native to South Africa, Swaziland, Botswana, and Mozambique, is one of the larger and more impressive Aloes. It is single-stemmed, and can grow up to a tree-like 15 feet tall. This striking species of aloe has an especially large robust head of stiff, grey-green leaves. The mountain aloe is without doubt one of southern Africa's most rewarding aloes to grow and adds an interesting slant to aloe culture.

In late fall to late winter the flowers of Aloe marlothii are held on racemes on a branched candelabra-shaped inflorescence, having up to 30 racemes (single spikes covered with individual flowers).

The plant is impenetrable, and often planted to form living fences.

Learn more about Aloe marlothii

This plant has been grown in a 4" pot. You will receive a very similar plant to the one in the picture. The plant is shipped "semi-dry-root" (with some soil to help protect roots).

One of the most iconic of the hundreds of aloes occurring in Africa; dense hillside populations of the tall mountain aloe, or bergaalwyn, are a familiar sight in southern Africa. Fantastic, arborescent species (grows into a tree) with thick, blue leaves and orange or grey colored thorns on the ventral (bottom) side of each leaf. Extremely tolerant of drought and arid conditions. Huge candelabra shaped canopy of red and yellow flowers when mature.
Full Sun. Indoor/Outdoor (Patio). branching inflorescence bearing Red-Orange Flowers.

By: Moon - Sun Cactus & Koi Gardens

One of the larger & most impressive of the Aloes, “Flat Flowered Aloe” is also fairly hardy - to 20 °F. Usually single stemmed & eventually tree like (to 10’ tall), this species starts out as a huge rosette of thick gray-green leaves well armed with brown teeth. A Winter bloomer, the large 4’ tall & wide flower spikes (racemes) come in orange, yellow or amber & are held almost horizontally on branched “arms.” Rich, well-drained soil is best. Fab in large containers. No Summer water required.

Gardening facts about Aloe marlothii plant

How to Grow Aloe marlothii

  • Sun Exposure

    • sun - mostly sun
  • Water Needs

    • occasional - drought tolerant
  • Water Needs

    • dry in winter
  • Soil Needs

    • clay
    • acidic
    • alkaline
    • adaptable
    • average
    • lean
    • well-drained
    • rich
    • rocky
    • gritty
  • Special Situation

    • heat tolerant
    • verticillium wilt resistant

Features

  • Foliage Color

    • blue
  • Flower Color

    • red
    • orange
    • yellow
  • Wildlife

    • beneficial insects
    • hummingbirds
    • deer resistant
    • rabbit resistant
  • Flower Season

    • winter
    • fall
  • Foliage Season

    • evergreen
  • Texture

    • glaucous
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