Mahonia aquifolium Oregon Grape Holly

Mahonia aquifolium Oregon Grape Holly

Mahonia Oregon Grape Holly available at Farm Fresh LivingA beautiful Western native that is often under utilized in the garden, Oregon Grape is at home under the high canopies of the pine and fir forests of its home range on the Pacific Coast, and equally pleased to be part of the residential garden setting.

Mahonia aquifolium Oregon Grape Holly Facts:

GROWS BEST IN: Full sun to light shade
MATURE SIZE: 4-6 feet high x 4-5 feet wide
PESTICIDE FREE: Grown pesticide-free, organically by Farm Fresh Living. Available in 1 gallon container.
USDA HARDINESS: Zone 5 - 9
USE FOR: Create hedge, specimen plant in the landscape, windbreak, woodland garden, along streambeds, in Asian or contemporary garden settings or in wildlife / bird garden.
WILDLIFE: Deer resistant, berries attract migratory birds, flowers attract hummingbirds and butterflies

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Oregon's state flower, Mahonia aquifolium, grows to over 10 feet in the wild, but typically remains at 4 to 5 feet tall and as wide in the landscape setting.

A woody-stemmed plant that spreads by rhizomes, the new growth in the spring emerges in a light green to soft coppery-red color; at the other end of the year the foliage responds to colder weather by taking on shades of bright red to burgundy. Sprays of lemon-yellow double flowers appear late spring atop thin branches creating an informal bouquet of fragrant flowers that bee, butterflies and hummingbirds all flock to for their nectar rich treat. Following the floral show, Oregon Grape Holly produces cornflower blue berries in fat clusters that hang down, giving the plant its common name. Fall brings on a foliage display with vibrant cherry-red, tangerine-orange, and flame-yellow colors creating a magnificent backdrop to the gray winter landscape.

How to grow Mahonia aquifolium Oregon Grape Holly:
  1. Select a part sun planting location that is on the acidic side, such as a location under or near conifers, adjacent to a woodland areas or one that is rich in organic matter.
  2. Amend soil prior to planting if needed by incorporating peat moss, pine needles, clean sawdust, pine mulch, or organic matter that is on the acidic side.
  3. Oregon Grape produces long narrow roots that reach deep down, therefore making transplanting difficult and typically not successful. For best results, purchase container grown Mahonia plants and site them with care where they will live for years to come.
  4. Drought tolerant once established regular watering is required for the first few years to encourage proper root development. To encourage deep roots, deep water every 4-7 days.
  5. A native plant, fertilize sparingly with an acidic fertilizer, preferably an organic slow release fertilizer such as Down to Earth Acid once a season in the spring.
  6. Evergreen, no winter care is required. In the spring prune back any dead, drying, or broken branches and remove spent berry branches.