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Herbaceous Perennial

Cirsium rivulare 'Trevor's Felley Find'^PBR

plume thistle 'Trevor's Felley Find'

A clump-forming perennial to 1.2m high with downy purple-tinged stems, silvery green basal leaves and pincushion-like violet-purple flowerheads in summer, and further flushes if deadheaded; the flowers are good for pollinators, and if the last flowers are allowed to remain, the seed heads may provide food for finches

Other common names

plume thistle 'Trevor's Blue Wonder'

Synonyms

Cirsium rivulare 'Trevor's Blue Wonder'

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Ultimate height

1–1.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

West–facing or East–facing or South–facing

Exposure

Exposed or 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: Asteraceae
Native to the UK: No
Foliage: Deciduous
Habit: Clump forming
Genus: Cirsium may be biennials or perennials with spiny leaves and typical thistle-type flower-heads
Name status: Accepted

How to grow

Cultivation

Grow in full sun in moist but well-drained soil; will tolerate drier conditions and partial shade

Propagation

Propagate by division from autumn to spring or by root cuttings

Suggested planting locations and garden types

Cottage and informal garden
Prairie planting
Wildlife gardens
City and courtyard gardens
Cut flowers
Flower borders and beds

Pruning

No pruning required except deadheading to prolong the flowering season

Pests

Generally pest-free

Diseases

May be affected by powdery mildews

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