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Mahonia oiwakensis (Mahonia oiwakensis)

Beginner
skill rating
1 hour care
per year
3m
Max height
3m
Max spread
10-20 years
To maturity

Plant details

Botanical name

Mahonia oiwakensis

Other names

Mahonia oiwakensis

Genus

Mahonia Mahonia

Species

M. oiwakensis - M. oiwakensis is a large, erect, evergreen shrub with long, horizontal to arching, pinnate leaves divided into spiny-toothed, narrowly elliptic to lance-shaped, dark green leaflets and spreading to pendent racemes of bright yellow flowers in autumn followed by blue-black fruit.


Mahonia oiwakensis is: Evergreen

Habit

Erect, Arching

Flower

Bright-yellow in Autumn

Foliage

Dark-green in All seasons

How to care

Watch out for

Pests

Generally pest-free.

Powdery mildew , Rust Powdery mildew , Rust

General care

Pruning

Pruning group 8

Propagation

Sow seed in autumn. Stratify seeds.

Propagation methods

Semi-ripe cuttings, Semi-hardwood cuttings, Seed, Suckers


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Where to grow

Mahonia oiwakensis (Mahonia oiwakensis) will reach a height of 3m and a spread of 3m after 10-20 years.

Suggested uses

Low Maintenance, Banks and Slopes, Architectural, Resistant to pollution, Wildlife, Drought Tolerant, Ground Cover, Woodland

Cultivation

Grow in moderately fertile, humus-rich, moist but well-drained soil in full or partial shade. Tolerates full sun if soil is kept consistently moist.

Soil type

Chalky, Clay, Loamy, Sandy (will tolerate most soil types)

Soil drainage

Moisture-retentive, Moist but well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Shade

Aspect

North, South, East, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

Companion plants

Botanical name

Mahonia oiwakensis

Other names

Mahonia oiwakensis

Genus

Mahonia Mahonia

Species

M. oiwakensis - M. oiwakensis is a large, erect, evergreen shrub with long, horizontal to arching, pinnate leaves divided into spiny-toothed, narrowly elliptic to lance-shaped, dark green leaflets and spreading to pendent racemes of bright yellow flowers in autumn followed by blue-black fruit.

Foliage

Evergreen

Habit

Erect, Arching


Colour

Flower

Bright-yellow in Autumn

Foliage

Dark-green in All seasons


How to care

Watch out for

Pests

Generally pest-free.

Specific diseases

Powdery mildew , Rust

General care

Pruning

Pruning group 8

Propagation

Sow seed in autumn. Stratify seeds.

Propagation methods

Semi-ripe cuttings, Semi-hardwood cuttings, Seed, Suckers


Monthly care advice


Where to grow

Mahonia oiwakensis (Mahonia oiwakensis) will reach a height of 3m and a spread of 3m after 10-20 years.

Suggested uses

Low Maintenance, Banks and Slopes, Architectural, Resistant to pollution, Wildlife, Drought Tolerant, Ground Cover, Woodland

Cultivation

Grow in moderately fertile, humus-rich, moist but well-drained soil in full or partial shade. Tolerates full sun if soil is kept consistently moist.

Soil type

Chalky, Clay, Loamy, Sandy (will tolerate most soil types)

Soil drainage

Moisture-retentive, Moist but well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Shade

Aspect

North, South, East, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

USDA zones

Zone 9, Zone 8, Zone 7, Zone 6

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This plant likes... Garden match
Soil types: Chalky, Clay, Loamy, Sandy (will tolerate most soil types) Tell us...
Soil drainage: Moisture-retentive, Moist but well-drained Tell us...
Soil pH: Acid, Alkaline, Neutral Tell us...
Light: Partial Shade, Full Shade Tell us...
Aspect: North, South, East, West Tell us...
Exposure: Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

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