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

Photo by Far Reaches Farm

Used with permission, all rights reserved

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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. 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
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.

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

  • Flower Season

    • winter
  • Flower Color

    • yellow
  • Texture

    • glossy
  • Foliage Season

    • evergreen
  • Wildlife

    • deer resistant
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