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Photo:
Pat Kolling
Taxon ID#
57
Oregon State Flower; evergreen shrub with conspicuous yellow flowers in the spring and edible blue black berries in late summer.
Scientific Name:
Berberis aquifolium
Common Name 1
› Oregon Grape
Family:
Berberidaceae
Origins:
The genus Mahonia has now been included in the genus Berberis, hence the accepted name for Oregon Grape is Berberis aquifolium. However, in commercial horticulture these plants are still known as Mahonia. It is native to coniferous forests in Pacific Nor
Plant Type:
Med - Lg Shrub (usually >3' and never < 1.5')
Common Name 2
› Oregon Grape Holly
Common Name 3
› Tall Oregon Grape
Oregon native:
yes
Western state native:
yes
Scroll down for more information on each topic
Landscape Application Information
Seasonal Care
Resource Links
MAINTENANCE
Maintenance Level:
Low
Min. USDA Hardiness Zone:
5
Sun Preference:
Partial Sun
Water Preference:
M
Soil Preference:
Moist, organically rich, acidic, well drained
Fertilizer Needs:
Recommended Mulch:
PLANT DESCRIPTION
Foliage Color:
Dark Green
Foliage Description:
Leaves alternate, compound pinnate (7-9 leaflets), 15-30 cm long, extremely stiff and leathery, spine-tipped along margin which is wavy having distinct troughs between spines, lustrous dark green above.
Fragrant:
yes
Predominant flower color:
Yellow
Flower Description:
Showy, fragrant bright yellow flowers bloom in terminal racemes
Fall color:
yes
Fall Color Description:
Leaves may turn bronze to bright red-purple in winter, especially the latter if in cold areas in full sun.
Winter Foliage:
Evergreen
Winter Interest:
yes
Winter Interest Description:
Evergreen leaves, showy blue berries
Mature height:
3-10'
Mature spread:
2' to 5'
Growth rate:
Medium
LANDSCAPE APPLICATION
Deer Resistant:
yes
Fire Resistant:
yes
Attracts Pollinators:
yes
Attracts Butterflies:
yes
Native Habitat:
Deep, conifer forests; open, rocky woods
Attracts Birds:
yes
Cut/Dried Flowers:
no
Used by Wildlife:
yes
Swales:
no
Wildlife Use:
Birds eat the berries
Photo:
Hedge/Screen:
yes
Border:
yes
Erosion Control:
yes
Windbreak:
no
Ground Cover:
no
Provides Shade:
no
Rock Garden:
no
Cover Structures:
no
First Bloom:
Apr
Last Bloom:
Adds Texture/Movement:
May
Ornamental Accent:
yes
no
Garden Observations:
Seasonal Care
Maintenance
SEASONAL CARE
Spring Care:
Summer Care:
Fall Care:
Harvest berries in early fall
Winter Care:
Long Term Care:
Unless naturalizing remove suckers when they appear
Insect Pests:
Aphids, scale, whiteflies, loopers
Wildlife Pests:
Diseases:
Leaf spots and rusts may occur.
Environmental Problems:
Improperly sited plants may suffer from leaf scorch.
Landscape Problems:
Suckers readily
Care Comments:
Site in locations protected from exposure to strong winds and full sun
RESOURCES
OSU Landscape Profile:
USDA Plants:
Calscape Database:
LBJ Native Plant Database:
Missouri Botanical Garden Database:
Monrovia Profile:
Alternate Source 1:
Alternate Source 2:
Source Comment:
Landscape Application
Resource Links
Plant Maintenance Information
Sponsors
Desert Peaks Healthcare
George & Vickie Minor
Whistle Stop Farm & Flowers
McPheeter's Turf
High Desert Farms Nursery Sales, LLC
Schilling's Garden Market
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webmaster@gocomga.com
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