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Hollinshead Water-wise Garden Plants

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

Landscape Application
Resource Links

Plant Maintenance Information

Image by Mikaela Wiedenhoff

Sponsors
Desert Peaks Healthcare
George & Vickie Minor
Whistle Stop Farm & Flowers

McPheeter's Turf
High Desert Farms Nursery Sales, LLC
Schilling's Garden Market

Speakers
Karen McCarthy, Madras Garden Depot
Dan Denning, City of Bend
Nicole Bell, OSU Ecology Lab

Professor Amy Jo Detweiler
Craig LeHoullier
Amanda Egertson, Deschutes Land Trust
Dana Sanchez, OSU
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