Berberis Species, Cascade Barberry, Cascade Oregon-Grape, Longleaf Mahonia

Berberisnervosa

Family
Berberidaceae (bear-ber-id-AY-see-ee)
Genus
Berberis (BUR-bur-is)
Species
nervosa (ner-VO-suh)
Synonym
Berberis glumacea
Berberis nervosa var. mendocinensis
Sun Exposure
Sun to Partial Shade
Light Shade
Partial to Full Shade
Full Shade
Foliage
Evergreen
Provides Winter Interest
This plant is resistant to deer
Textured
Height
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Spacing
12-15 in. (30-38 cm)
Hardiness
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Bloom Color
Bright Yellow
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Groundcovers
Shrubs
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
Patent Information
Propagation Methods
By dividing the rootball
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Direct sow as soon as the ground can be worked
By stooling or mound layering
Seed Collecting
Allow unblemished fruit to ripen; clean and dry seeds
Regional

This plant is said to grow outdoors in the following regions:

San Francisco, California

Santa Fe, New Mexico

Eugene, Oregon

Grants Pass, Oregon

Sherwood, Oregon

Cordova, Tennessee

Alpine, Texas

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Gardener's Notes:

2
positives
1
neutral
1
negative
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M
Eugene, OR | September 2012 | neutral

This is the shorter cousin of the "tall" Oregon grape (Mahonia aquifolium). Unlike Mahonia aquifolium, Mahonia nervosa DOES NOT do well ...Read More

J
Sherwood, OR | April 2012 | positive

This is native in my area, though seldom offered for sale. I have grown it in dry shade with good drainage and in wetter woodland-type co...Read More

L
Fairfield County, CT (Zone 6b) | August 2008 | negative

The shrub just withered on me over several weeks after I planted it. I chose it because it supposedly will grow anywhere without being i...Read More

G
G
Beautiful, BC (Zone 8b) | January 2006 | positive

Westcoast native that tolerates dry conditions, grows well as a ground-cover and its leaves turn a nice red in winter. One of the few pla...Read More

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Featured
Cactus Coreid Bug
(Cheilinidea vittiger)
Reddish Egret
(Egretta rufescens)