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    • Photo of Alluaudia humbertii foliage, form by Frank Vincentz

    Photo by Frank Vincentz

    Creative Commons Attribution-Share Alike 3.0 Unported license

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    Alluaudia humbertii

    Plant type

    tree, shrub, cactus / succulent

    size

    • H: 10'-20'
    • W: 10'-18'

    planting zones

    • 9a-12

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    Alluaudia humbertii plant details

    Alluaudia humbertii is a deciduous or semi-evergreen cactus / succulent, shrub or tree with green foliage. In spring and summer chartreuse and red flowers emerge. Grows well with sun and occasional - low water. Drought tolerant once established. Does well in acidic, gritty, lean, rocky and well-drained soil. A good option if you're seeking something heat tolerant.

    CHARACTERISTICS OF Alluaudia humbertii

    Plant type: cactus / succulent, shrub or tree
    Plant family: didiereaceae
    Foliage: deciduous or semi-evergreen green
    Mature size: 10 FT - 18 FT - wide, 10 FT - 20 FT - tall
    Flowers: chartreuse and red blooms in spring and summer
    Uses: container plant, spiky, xeric

    GROWING CONDITIONS for Alluaudia humbertii

    USDA Zones: 9a - 12
    Sun exposure: sun
    Watering frequency: occasional - low
    Resistant to: deer, heat
    Soil needs: acidic, gritty, lean, rocky and well-drained

    Nursery contributed plant descriptions

    Choux Didiereaceae. Native to the southern coastal plain of Madagascar, forms a tree to 5m high, but can be cut back to ensure pachycaul habit when grown in pots, see Rowley's Didiereaceae.

    By: Rare Plant Research

    Gardening facts about Alluaudia humbertii plant

    How to Grow Alluaudia humbertii

    • Sun Exposure

      • sun

    • Water Needs

      • occasional - drought tolerant

    • Soil Needs

      • acidic
      • lean
      • well-drained
      • rocky
      • gritty

    • Special Situation

      • heat tolerant

    Features

    • Foliage Color

      • green

    • Flower Color

      • red
      • chartreuse

    • Wildlife

      • deer resistant

    • Flower Season

      • summer
      • spring

    • Foliage Season

      • deciduous
      • semi-evergreen

    See other plant types of Alluaudia for your garden

    Alluaudia comosa

    Plant Type

    Tree, Shrub, Cactus / Succulent

    Zones

    10a-12

    Size

    Height: 2'-15'

    Width: 2'-20'

    • sun
    • regular - drought tolerant
    Photo of Alluaudia comosa foliage by Ryan Somma
    View Plant

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    Alluaudia dumosa

    Plant Type

    Tree, Shrub, Cactus / Succulent

    Zones

    9a-11

    Size

    Height: 3'-10'

    Width: 2'-4'

    • sun - mostly sun
    • occasional - drought tolerant
    Photo of Alluaudia dumosa form by Montréalais
    View Plant

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    Alluaudia procera

    aka Madagascan Ocotillo

    Plant Type

    Tree, Cactus / Succulent

    Zones

    10a-12

    Size

    Height: 15'-25'

    Width: 4'-6'

    • sun - mostly sun
    • occasional - drought tolerant
    Photo of Alluaudia procera foliage by Kara Nursery
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    Alluaudia ascendens

    aka Didierea ascendens

    Plant Type

    Tree, Cactus / Succulent

    Zones

    10a-12

    Size

    Height: 15'-40'

    Width: 3'-10'

    • sun - mostly sun
    • occasional - drought tolerant
    Photo of Alluaudia ascendens foliage by Stan Shebs
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    Alluaudia montagnacii

    Plant Type

    Cactus / Succulent

    Zones

    9b-11

    Size

    Height: 6'-20'

    Width: 2'-15'

    • sun - mostly sun
    • occasional - drought tolerant
    Photo of Alluaudia montagnacii foliage by Paradise Found Nursery
    View Plant

    More Options

    +1 more Alluaudia
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