Cirsium tuberosum (Tuberous thistle)

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Skill rating Beginner
skill rating
Ultimate spread 0.6m
max. spread
Ultimate height 1.5m
max. height
Time to maturity 2-5 years
to maturity
Maintenance level 2 hours care
per year

Botanical name: Cirsium tuberosum

Other names: Tuberous thistle


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Genus: Cirsium

Species: C. tuberosum - C. tuberosum is a rare, native, herbaceous perennial with spiny, deep lobed, silvery grey leaves and purple-pink flowers.

Cirsium tuberosum is: Deciduous

Flower: Dark-purple, Dark-pink in Summer

Foliage: Green in Summer

Habit: Upright, Clump-forming

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Watch out for

Specific diseases: Powdery mildew

General care

Pruning: If self-seeding becomes a problem, then cut back hard after flowering.. REGISTER to read more...

Propagation methods: Division, Seed. REGISTER to read more...


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Cirsium tuberosum (Tuberous thistle) will reach a height of 1.5m and a spread of 0.6m after 2-5 years.


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Suggested uses: Low Maintenance, Cottage/Informal, Flower Arranging, Beds and borders, Wildflower, Wildlife

Cultivation: Plant in moist, well-drained soil. Can tolerate some dryness and partial shade. Will self-seed freely.

Suitable for your garden?
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This plant likes... Garden match
Soil types: Chalky, Loamy, Sandy Match unknown
Soil drainage: Well-drained, Moist but well-drained Match unknown
Soil pH: Acid, Alkaline, Neutral Match unknown
Light: Full Sun Match unknown
Aspect: South, East, West Match unknown
Exposure: Exposed, Sheltered Match unknown
Hardiness: Hardy (H4) Match unknown

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