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    Sorbus 'Joseph Rock'

    Also Known As

    • Joseph Rock Mountain Ash

    Plant type

    tree

    size

    • H: 20'-30'
    • W: 15'-25'

    planting zones

    • 7a-9b

    Sorbus 'Joseph Rock' plant details

    Sorbus 'Joseph Rock' is a broadleaf deciduous tree with green foliage. In spring white flowers emerge followed by yellow fruit. Grows well with sun - mostly sun and regular water. Does well in rich and well-drained soil.

    CHARACTERISTICS OF Sorbus 'Joseph Rock'

    Plant type: tree
    Plant family: rosaceae
    Foliage: deciduous green
    Mature size: 15 FT - 25 FT - wide, 20 FT - 30 FT - tall
    Flowers: white blooms in spring
    Uses: shade tree

    GROWING CONDITIONS for Sorbus 'Joseph Rock'

    USDA Zones: 7a - 9b
    Sun exposure: sun - mostly sun
    Watering frequency: regular
    Soil needs: rich and well-drained

    Nursery contributed plant descriptions

    Found in China in the 1930's by Joseph Rock, this multi-ornamental 20-30' tree offers white spring flowers, fine gold berrries ; compound blue-green foliage, orange to deep-red in fall; can get fireblight. S-PS/M/GdDr

    By: Forestfarm

    Gardening facts about Sorbus 'Joseph Rock' plant

    How to Grow Sorbus 'Joseph Rock'

    • Sun Exposure

      • sun - mostly sun

    • Water Needs

      • regular

    • Soil Needs

      • well-drained
      • rich

    Features

    • Foliage Color

      • green

    • Flower Color

      • white

    • Fruit

      • yellow

    • Flower Season

      • spring

    • Foliage Season

      • deciduous

    Landscape groups by tags

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    Sorbus pseudohupehensis 'Pink Pagoda'

    aka Sorbus hupehensis 'Pink Pagoda', Pink Pagoda Mountain Ash

    Plant Type

    Tree

    Zones

    5a-8b

    Size

    Height: 15'-25'

    Width: 20'

    • sun - mostly shade
    • even moisture - regular
    Photo of Sorbus pseudohupehensis 'Pink Pagoda' fruit by Far Reaches Farm
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    Sorbus aria 'Lutescens'

    aka Lutescens Silver Whitebeam, Lutescens Whitebeam, Whitebeam Mountain Ash

    Plant Type

    Tree

    Zones

    5a-9b

    Size

    Height: 20'-30'

    Width: 15'-25'

    • sun - mostly shade
    • regular
    Photo of Sorbus aria 'Lutescens' flower by Conifer Kingdom
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    Sorbus alnifolia

    aka Korean Mountain Ash, Mountain Ash

    Plant Type

    Tree

    Zones

    3a-7b

    Size

    Height: 40'-50'

    Width: 20'-30'

    • sun - mostly sun
    • regular
    Photo of Sorbus alnifolia foliage, fruit by Kristine Paulus
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    Sorbus aucuparia 'Fastigiata'

    aka Fastigiata Rowan, Upright European Mountain Ash, Upright European Mountain Ash

    Plant Type

    Tree

    Zones

    4a-9b

    Size

    Height: 15'-25'

    Width: 6'-10'

    • sun - mostly sun
    • regular
    Photo of Sorbus aucuparia 'Fastigiata' buds by Halava
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    Sorbus forrestii

    aka Mountain Ash

    Plant Type

    Tree

    Zones

    6a-9b

    Size

    Height: 20'-40'

    Width: 15'-20'

    • sun
    • regular
    Photo of Sorbus forrestii fruit by Keeping it Green Nursery
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