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Mahonia duclouxiana (Siam grape holly)
1 hour care
per year
per year
4m
Max height
Max height
4m
Max spread
Max spread
10-20 years
To maturity
To maturity
Plant details
Botanical name
Mahonia duclouxiana
Other names
Siam grape holly, Berberis duclouxiana, Mahonia siamensis, Mahonia flavida , Berberis flavida, Berberis borealis, Berberis dolichostylis, Berberis napaulensis var. napaulensis, Mahonia mairei
Genus
Mahonia Mahonia
Species
M. duclouxiana - M. duclouxiana is an upright, evergreen shrub with pinnate leaves divided into oblong to elliptic, spiny-toothed, yellow to olive-green leaflets and erect racemes of golden-yellow flowers from mid-autumn to early spring. Flowers are followed by spherical, dark purple fruit.
Mahonia duclouxiana is: Evergreen
Fragrance
Flowers are fragrant.
Habit
Upright
Flower
Golden-yellow in Spring; Golden-yellow in Autumn; Golden-yellow in Winter
Foliage
Yellow-green, Olive green in All seasons
How to care
Watch out for
Pests
Generally pest-free.
General care
Pruning
Pruning group 8.
Propagation methods
Seed, Semi-hardwood cuttings
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Where to grow
Mahonia duclouxiana (Siam grape holly) will reach a height of 4m and a spread of 4m after 10-20 years.
Suggested uses
Architectural, Banks and Slopes, Beds and borders, Bees (attract & feed bees), City, Coastal, Cottage/Informal, Low Maintenance, Woodland
Cultivation
Grow in moderately fertile, humus-rich, moist but well-drained soil in a sheltered, partially shaded site. Suitable for a woodland setting.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Neutral
Light
Partial Shade, Full Shade
Aspect
North, South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
Botanical name
Mahonia duclouxiana
Other names
Siam grape holly, Berberis duclouxiana, Mahonia siamensis, Mahonia flavida , Berberis flavida, Berberis borealis, Berberis dolichostylis, Berberis napaulensis var. napaulensis, Mahonia mairei
Genus
Mahonia Mahonia
Species
M. duclouxiana - M. duclouxiana is an upright, evergreen shrub with pinnate leaves divided into oblong to elliptic, spiny-toothed, yellow to olive-green leaflets and erect racemes of golden-yellow flowers from mid-autumn to early spring. Flowers are followed by spherical, dark purple fruit.
Native to
Southeastern Asia
Foliage
Evergreen
Fragrance
Flowers are fragrant.
Habit
Upright
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Colour
Flower
Golden-yellow in Spring; Golden-yellow in Autumn; Golden-yellow in Winter
Foliage
Yellow-green, Olive green in All seasons
How to care
Watch out for
Pests
Generally pest-free.
General care
Pruning
Pruning group 8.
Propagation methods
Seed, Semi-hardwood cuttings
Monthly care advice
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Where to grow
Mahonia duclouxiana (Siam grape holly) will reach a height of 4m and a spread of 4m after 10-20 years.
Suggested uses
Architectural, Banks and Slopes, Beds and borders, Bees (attract & feed bees), City, Coastal, Cottage/Informal, Low Maintenance, Woodland
Cultivation
Grow in moderately fertile, humus-rich, moist but well-drained soil in a sheltered, partially shaded site. Suitable for a woodland setting.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Neutral
Light
Partial Shade, Full Shade
Aspect
North, South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 10, Zone 9, Zone 8
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Chalky, Clay, Loamy, Sandy (will tolerate most soil types) | Tell us... |
| Soil drainage: | Moist but well-drained, Well-drained | Tell us... |
| Soil pH: | Acid, Neutral | Tell us... |
| Light: | Partial Shade, Full Shade | Tell us... |
| Aspect: | North, South, East, West | Tell us... |
| Exposure: | Exposed, Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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