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Shrubs

Mahonia gracilis

This slow-growing, Mexican species is quite rare in the UK but if you can find it, it is definitely worth a spot in your garden. It does require a bit more shelter than some Mahonias and needs well drained soil but it will reward you with racemes of fragrant, yellow flowers from late autumn into winter and whorls of pinnate, glossy green leaves, held on bright red stalks

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Ultimate height

1.5–2.5 metres

Time to ultimate height

5–10 years

Ultimate spread

1–1.5 metres

Chalk

Clay

Loam

Sand

Moisture

Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full shade
Partial shade

Aspect

East–facing or North–facing or West–facing or South–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)

Botanical details

Family: Berberidaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Bushy, Columnar upright
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 humus-rich moist but well-drained soil, suited to full or partial shade in a sheltered position but tolerant of sun if soil is not too dry. See mahonia cultivation for further information

Propagation

Propagate by seed or semi-ripe cuttings

Suggested planting locations and garden types

Architectural
Low Maintenance
Flower borders and beds

Pruning

Prune every other year to encourage bushy growth - pruning group 8.

Pests

Generally pest-free

Diseases

May be susceptible to rust diseases and Powdery mildews, especially in dry weather.

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