Mahonia nitens

RHS

Shrubs

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An evergreen shrub to around 1.2m tall with glossy green, spiny pinnate leaves that emerge coppery-red when young. Upright racemes of yellow autumn flowers emerge from red buds, and are followed by dark blue fruits in winter

Position

Full shade, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 5–10 years
Max Spread: 0.5-1 metres
Max Height: 1-1.5 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full shade Partial shade

Aspect: East–facing or North–facing or West–facing
Exposure: Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H5

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Berberidaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy
Potentially harmful: Berries are ornamental; not to be eaten. Wear gloves and other protective equipment when handling
Genus: Mahonia are evergreen shrubs with leathery, pinnate leaves which are often spine-toothed, and clustered racemes of sometimes fragrant yellow flowers, sometimes followed by black or purple berries
Name Status: Correct

How to Grow

Cultivation

Grow in any well-drained or moist but well-drained soil in partial or deeper shade. It will tolerate a sunny position if the soil is not too dry. See mahonia cultivation

Propagation

Propagate by seed or by semi-ripe cuttings

Suggested planting locations and garden types

Cottage and informal garden
City and courtyard gardens
Flower borders and beds

Pruning

pruning group 8

Pests

Generally pest-free

Diseases

May be susceptible to a rust and Powdery mildews