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Annual Biennial

Carduus nutans
  • RHS Plants for pollinators

musk thistle

The musk thistle is an upright biennial, with downy stalks with spiny wings, spine free just below the distinctive for its large drooping flower heads that are borne singly from June to August, and are purple, 3-5cm across and are without ray florets, the heads surrounded by a collar of pink flower bracts

Other common names
buck thistle
dog thistle
see morebank thistle

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
1 year
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Grey Silver
Summer Purple Green Grey Silver
Autumn Green Grey Silver
Winter Green Grey Silver
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H7
Botanical details
Family
Asteraceae
Native to the UK
Yes
Foliage
Semi evergreen
Habit
Bushy
Name status

Correct

Plant range
Eurasia

How to grow

Cultivation

Occurs naturally in dry, grassy places including verges and dunes, especially on calcareous soils

Propagation

Propagate by seed

Suggested planting locations and garden types
  • Wildlife gardens
  • Wildflower meadow
Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

Get involved

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