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    Quercus robur 'Irtha'

    Also Known As

    • Irtha Oak Tree

    Plant type

    tree

    size

    • H: 20'
    • W: 15'

    planting zones

    • 4a-8b

    Quercus robur 'Irtha' plant details

    Quercus robur 'Irtha' is a broadleaf deciduous tree with green foliage. Attracts birds. Grows well with sun - mostly sun and regular water. Does well in average and well-drained soil. A good option if you're seeking something verticillium wilt resistant.

    CHARACTERISTICS OF Quercus robur 'Irtha'

    Plant type: tree
    Plant family: fagaceae
    Foliage: deciduous green
    Mature size: 15 FT wide, 20 FT tall
    Uses: small tree, unique

    GROWING CONDITIONS for Quercus robur 'Irtha'

    USDA Zones: 4a - 8b
    Sun exposure: sun - mostly sun
    Watering frequency: regular
    Resistant to: verticillium wilt
    Soil needs: average and well-drained

    Nursery contributed plant descriptions

    Known for its bizarre leaf characteristics with oddly shaped, congested, crimped, and folded green leaves with yellow mottling. Whether one likes it or not, it is an English oak form that will certainly draw attention to itself.

    By: Bloom River Gardens

    Gardening facts about Quercus robur 'Irtha' plant

    How to Grow Quercus robur 'Irtha'

    • Sun Exposure

      • sun - mostly sun

    • Water Needs

      • regular

    • Soil Needs

      • average
      • well-drained

    • Special Situation

      • verticillium wilt resistant

    Features

    • Foliage Color

      • green

    • Wildlife

      • birds

    • Foliage Season

      • deciduous

    See other plant types of Quercus for your garden

    Quercus dentata 'Pinnatifida'

    aka Japanese Emperor Oak, Pinnatafida Daimyo Oak, Pinnatafida Emperor Oak

    Plant Type

    Tree

    Zones

    5a-8b

    Size

    Height: 12'-20'

    Width: 10'

    • sun - mostly sun
    • even moisture
    Photo of Quercus dentata 'Pinnatifida' foliage by Dancing Oaks Nursery
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    Quercus dentata 'Carl Ferris Miller'

    aka Quercus dentata 'C. F. Miller', C.F. Miller Emperor Oak, Carl Ferris Miller Daimyo Oak, Carl Ferris Miller Emperor Oak

    Plant Type

    Tree

    Zones

    5a-8b

    Size

    Height: 25'-35'

    Width: 25'-35'

    • sun - mostly sun
    • regular - drought tolerant
    Photo of Quercus dentata 'Carl Ferris Miller' foliage by Danger Garden
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    Quercus robur 'Concordia'

    aka Concordia English Oak, Concordia Golden English Oak, Concordia Golden Oak

    Plant Type

    Tree

    Zones

    4a-8b

    Size

    Height: 15'-30'

    Width: 15'-30'

    • sun - mostly shade
    • regular - drought tolerant
    Photo of Quercus robur 'Concordia' form by Karl Gercens III
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    Quercus costaricensis

    aka Quercus endresii, Quercus irazuensis

    Plant Type

    Tree, Shrub

    Zones

    9b-12

    Size

    Height: 60'

    Width: 60'-100'

    • sun
    • regular - occasional
    Photo of Quercus costaricensis foliage by Stan Shebs
    View Plant

    Quercus gambelii

    aka Gambel Oak, Rocky Mountain White Oak

    Plant Type

    Tree

    Zones

    4a-9b

    Size

    Height: 30'

    Width: 25'

    • sun
    • occasional
    • dry in summer
    Photo of Quercus gambelii foliage by Cory Maylett
    View Plant

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    +162 more Quercus
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