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    • Photo of Mahonia pinnata aff. ssp. insularis flower, foliage by Far Reaches Farm

    Photo by Far Reaches Farm

    Used with permission, all rights reserved

    Show all photos

    Mahonia pinnata aff. ssp. insularis

    Also Known As

    • Berberis pinnata aff. ssp. insularis
    • California Holly Grape

    Plant type

    shrub

    size

    • H: 6'-8'
    • W: 6'

    planting zones

    • 6a-10b

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    Mahonia pinnata aff. ssp. insularis plant details

    Mahonia pinnata aff. ssp. insularis is a broadleaf evergreen shrub with green foliage. In winter yellow flowers emerge. Features glossy texture. Grows well with sun - mostly sun and regular - occasional water. Does well in clay, rich and well-drained soil.

    CHARACTERISTICS OF Mahonia pinnata aff. ssp. insularis

    Plant type: shrub
    Plant family: berberidaceae
    Foliage: evergreen green
    Mature size: 6 FT wide, 6 FT - 8 FT - tall
    Flowers: yellow blooms in winter
    Uses: easy-to-grow

    GROWING CONDITIONS for Mahonia pinnata aff. ssp. insularis

    USDA Zones: 6a - 10b
    Sun exposure: sun - mostly sun
    Watering frequency: regular - occasional
    Resistant to: deer
    Soil needs: clay, rich and well-drained

    Nursery contributed plant descriptions

    These are cutting-grown from cool plant maven Marian Raitz's former garden. We've polled the best hortheads around from Sean to Jerry John to Jim to Ron and this is the best guess with the least dispute. If so, ssp. insularis is native to the Channel Islands in CA. Spiny glossy loveliness.

    By: Far Reaches Farm

    Gardening facts about Mahonia pinnata aff. ssp. insularis plant

    How to Grow Mahonia pinnata aff. ssp. insularis

    • Sun Exposure

      • sun - mostly sun

    • Water Needs

      • regular - occasional

    • Soil Needs

      • clay
      • well-drained
      • rich

    Features

    • Foliage Color

      • green

    • Flower Color

      • yellow

    • Wildlife

      • deer resistant

    • Flower Season

      • winter

    • Foliage Season

      • evergreen

    • Texture

      • glossy

    See other plant types of Mahonia for your garden

    Mahonia x media 'Arthur Menzies'

    aka Berberis x hortensis 'Arthur Menzies', Mahonia 'Arthur Menzies', Mahonia japonica x lomarifolia

    Plant Type

    Shrub

    Zones

    7a-9b

    Size

    Height: 6'-12'

    Width: 4'-6'

    • sun - mostly shade
    • drought tolerant
    Photo of Mahonia x media 'Arthur Menzies' flower, foliage by plant lust
    View Plant

    Mahonia x media 'Charity'

    aka Berberis x hortensis 'Charity'

    Plant Type

    Shrub

    Zones

    7a-10b

    Size

    Height: 10'-15'

    Width: 4'-12'

    • sun - mostly shade
    • even moisture - drought tolerant
    Photo of Mahonia x media 'Charity' landscape by Danger Garden
    View Plant

    Mahonia aquifolium 'Apollo'

    aka Berberis aquifolium 'Apollo', Oregon Grapeholly

    Plant Type

    Shrub, Groundcover

    Zones

    7a-9b

    Size

    Height: 18"-36"

    Width: 24"-48"

    • mostly sun - shade
    • occasional - drought tolerant
    Photo of Mahonia aquifolium 'Apollo' foliage by plant lust
    View Plant

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    Mahonia x media 'Underway'

    aka Berberis x hortensis 'Underway', Mahonia 'Underway'

    Plant Type

    Shrub

    Zones

    7a-10b

    Size

    Height: 8'

    Width: 6'

    • sun - mostly shade
    • regular
    Photo of Mahonia x media 'Underway' foliage by plant lust
    View Plant

    More Options

    Mahonia aquifolium 'Compacta'

    aka Berberis aquifolium 'Compacta', Mahonia aquifolium 'Compactum', Mahonia aquifolium cv. 'Compactum', Compact Oregon Grape

    Plant Type

    Shrub, Groundcover

    Zones

    5a-10b

    Size

    Height: 2'-3'

    Width: 3'-4'

    • sun - mostly shade
    • even moisture - drought tolerant
    • dry in summer
    Photo of Mahonia aquifolium 'Compacta' foliage by Native Sons
    View Plant

    More Options

    +46 more Mahonia
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